Domain: wikipedia.org
Stories and comments across the archive that link to wikipedia.org.
Stories · 7,048
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Sleep Found To Replenish a Type of Brain Cell
New submitter wrackspurt writes "Sleep deprivation has long been thought to be prevalent in the industrialized world. A new study (abstract) explains one very good reason why at least seven hours of sleep a night is necessary. Quoting the BBC: 'Sleep ramps up the production of cells that go on to make an insulating material known as myelin which protects our brain's circuitry. ... The increase was most marked during the type of sleep that is associated with dreaming - REM or rapid eye movement sleep — and was driven by genes. In contrast, the genes involved in cell death and stress responses were turned on when the mice were forced to stay awake.'" -
Mystery Alignment of Planetary Nebulae Discovered
astroengine writes "Astronomers have discovered something weird in the Milky Way's galactic bulge — a population of planetary nebula are all mysteriously pointing in the same direction. They noticed the mysterious alignment in the long axes of bipolar planetary nebulae. 'This really is a surprising find and, if it holds true, a very important one,' said Bryan Rees of the University of Manchester, co-author of the paper (PDF) to appear in the journal Monthly Notices of the Royal Astronomical Society. 'Many of these ghostly butterflies appear to have their long axes aligned along the plane of our galaxy.' The team of astronomers, who used data from Hubble and the European Southern Observatory's New Technology Telescope (NTT) to survey 130 nebulae, posit that powerful magnetic fields may be behind the phenomenon." -
NSA-resistant Android App 'Burns' Sensitive Messages
angry tapir writes "Phil Zimmermann's Silent Circle, which halted its secure mail service shortly after Lavabit, has released a messaging application for Android devices that encrypts and securely erases messages and files. The application, called Silent Text, lets users specify a time period for which the receiver can view a message before it is erased. It also keeps the keys used to encrypt and decrypt content on the user's device, which protects the company from law enforcement requests for the keys." Seems similar to pieces of the Guardian Project. -
US and Israel Test Missile As Syria War Tensions Rise
Hugh Pickens DOT Com writes "Joshua Mitnick reports that Israel and the U.S. carried out a missile test over the Mediterranean Sea on Tuesday morning that was detected by Russian surveillance systems. Israel's defense ministry eventually said a Sparrow rocket had been fired to simulate a ballistic missile attack on the Jewish state to test the Arrow interceptor system. The Arrow – which wasn't fired Tuesday – has been developed to defend against long range rockets primarily from Iran, a main patron of the Syrian regime. Arieh Herzog, a former Israeli missile defense director, says that the Sparrow missile is developed to simulate 'the worst threats' in the region so Israel can hone the capabilities of the Arrow III missile interceptor. Herzog speculated that the launch Tuesday was done at a considerably long range. Another Israeli expert said the incident could be seen as muscle flexing by the U.S. and Israel. 'You could say perhaps its show of strength to Syria and its Iranian ally — that Israel has a range of options at its disposal. And to place pressure on Assad and Iran that Israel takes [retaliation threats] seriously,' says Meir Javedanfar, a lecturer on Iranian politics at the Herzliya Interdisciplinary Center. Pentagon press secretary George Little said the U.S. 'provided technical assistance and support to the Israeli Missile Defense Organization flight test of a Sparrow target missile over the Mediterranean Sea.' 'The United States and Israel cooperate on a number of long-term ballistic missile defense development projects to address common challenges in the region,' added Little. 'This test had nothing to do with United States consideration of military action to respond to Syria's chemical weapons attack.'" -
Can Closed Public Schools Become Makerspaces? (Video)
In August Phil Shapiro wrote an article that asked the question, Can 50 Closed Chicago Schools Become 50 Makerspaces? Now, in September, we have a ruminative interview with him about schools, makerspaces, and how making places where kids (and adults) can make things and generally tinker with tools and get used to the idea of working with their hands to create new things and to repair old ones. For many of us in previous generations, our "makerspace" was our garage or basement, and our mentor was Dad. Today, this doesn't seem to be the case in a lot of homes. Besides, working with others is safer than working alone, and even if we bowl alone there is no good social or biological reason for us to create alone -- especially if we have a congenial makerspace nearby. -
Sci-Fi Great Frederik Pohl Passes Away At 93
damnbunni writes "Frederik Pohl, one of the last Golden Age science fiction authors, passed away on September 2nd of respiratory distress, as reported on his blog. Pohl is perhaps best known for his Heechee Saga novels, beginning with Gateway in 1977, but his work in pulp magazines in the '30s and '40s helped give rise to science fiction fandom." -
Chris Kraft Talks About The Decline of NASA
schwit1 writes in with a link to a recent interview with Chris Kraft, founder of Mission Control, discussing the impracticality of the SLS, and why the best and brightest are slowing leaving NASA. From the article: "The problem with the SLS is that it's so big that makes it very expensive. It's very expensive to design, it's very expensive to develop. When they actually begin to develop it, the budget is going to go haywire. They're going to have all kinds of technical and development issues crop up, which will drive the development costs up. Then there are the operating costs of that beast, which will eat NASA alive if they get there. ... You go talk to the guys who were doing Constellation (NASA's now-scuttled plan to return to the moon), and the reason they came to NASA was to go back to the moon. They're all leaving now. The leaders are leaving for a lot of other reasons also, but they're leaving because there's no future that they want to be involved in. And that's unfortunate." -
Chris Kraft Talks About The Decline of NASA
schwit1 writes in with a link to a recent interview with Chris Kraft, founder of Mission Control, discussing the impracticality of the SLS, and why the best and brightest are slowing leaving NASA. From the article: "The problem with the SLS is that it's so big that makes it very expensive. It's very expensive to design, it's very expensive to develop. When they actually begin to develop it, the budget is going to go haywire. They're going to have all kinds of technical and development issues crop up, which will drive the development costs up. Then there are the operating costs of that beast, which will eat NASA alive if they get there. ... You go talk to the guys who were doing Constellation (NASA's now-scuttled plan to return to the moon), and the reason they came to NASA was to go back to the moon. They're all leaving now. The leaders are leaving for a lot of other reasons also, but they're leaving because there's no future that they want to be involved in. And that's unfortunate." -
John Scalzi's Redshirts Wins Hugo Award for Best Novel
The Hugo awards were presented last night, providing recognition to the best science fiction of the past year. The award for Best Novel was presented to John Scalzi for Redshirts, a comedic work playing on the trope of low-ranking officers frequently getting themselves killed in sci-fi works. Best Novella went to Brandon Sanderson for The Emperor's Soul, and Best Novelette went to The Girl-Thing Who Went Out for Sushi by Pat Cadigan. Best Graphic Story was awarded to the creators of Saga. Best Dramatic Presentation (long form) was given for Joss Whedon's The Avengers movie, and (short form) was presented for the "Blackwater" episode of the Game of Thrones TV show. The Best New Writer was Mur Lafferty. Here's a full list of the nominees and winners. -
First Asteroid Discovered At Uranus's Leading Trojan Point
LeadSongDog writes "Space.com is reporting on a 60km comet-like body in Lagrangian orbit around the Sun, locked to Uranus's leading Trojan Point. This means a distant, but fairly accessible supply of water-ice, hence: reaction mass, hydrogen and oxygen for robotic miners if we can just get them there with an energy source. 'The sun and Earth have two Trojan points, one leading ahead of Earth, known as the L-4 point of the system, and one trailing behind, its L-5 point. The sun and other planets have Lagrangian points also, with asteroids seen at those the sun shares with Jupiter, Neptune and Mars. Scientists thought the Trojan points of Uranus, the seventh planet from the sun, were too unstable to host asteroids." -
NASA Scientists Jubilant After Successful Helicopter Crash
Hugh Pickens DOT Com writes "Elizabeth Barber reports in the Christian Science Monitor that when a CH-46E Sea Knight helicopter plummeted into the ground at more than 30 miles per hour, there was jubilation from the scientists on the ground at the culmination of some two years of preparation to test a helicopter's crashworthiness. 'We designed this test to simulate a severe but survivable crash under both civilian and military requirements,' says NASA lead test engineer Martin Annett. 'It was amazingly complicated with all the planning, dummies, cameras, instrumentation and collaborators, but it went off without any major hitches.' During the crash, high-speed cameras filming at 500 images per second tracked the black dots painted on the helicopter, allowing scientists to assess the exact deformation of each part of the craft, in a photographic technique called full field photogrammetry. Thirteen instrumented crash test dummies and two un-instrumented manikins stood, sat or reclined for a potentially rough ride. The goal of the drop was to test improved seat belts and seats, to collect crashworthiness data and to check out some new test methods but it was also to serve as a baseline for another scheduled test in 2014. 'It's extraordinarily useful information. I will use this information for the next 20 years,' says Lindley Bark, a crash safety engineer at Naval Air Systems Command on hand for the test. 'Even the passenger airplane seats in there were important to us because we fly large aircraft that have the same type of seating."' -
How Human Psychology Holds Back Climate Change Action
Hugh Pickens DOT Com writes "Cass R. Sunstein writes at Bloomberg that an understanding of human psychology — specifically, what human beings fear and what they do not — helps to explain why nations haven't insisted on more significant emissions reductions even as scientists warn that if the world continues on its current course, we will face exceedingly serious losses and threats including a significant rise in sea levels by century's end. First, people tend to be especially focused on risks or hazards that have an identifiable perpetrator, and for that reason produce outrage. 'Warmer temperatures are a product not of any particular human being or group, but the interaction between nature and countless decisions by countless people. There are no obvious devils or demons — no individuals who intend to create the harms associated with climate change.' The second obstacle is that people tend to evaluate risks by way of 'the availability heuristic,' which leads them to assess the probability of harm by asking whether a readily available example comes to mind. For example, an act of terrorism is likely to be both available and salient, and hence makes people fear that another such event will occur. A recent crime or accident can activate attention and significantly inflate people's assessment of risk. Finally, human beings are far more attentive to immediate threats than to long-term ones. They may neglect the future, seeing it as a kind of foreign country, one they may not ever visit. For this reason, they might fail to save for retirement, or they might engage in risk-taking behavior such as smoking or unhealthy eating that will harm their future selves. 'All the obstacles are daunting skepticism about the science, economic self-interest, and the difficulties of designing cost-effective approaches and obtaining an international agreement,' concludes Sunstein, 'But the world is unlikely to make much progress on climate change until the barrier of human psychology is squarely addressed.'" -
How Human Psychology Holds Back Climate Change Action
Hugh Pickens DOT Com writes "Cass R. Sunstein writes at Bloomberg that an understanding of human psychology — specifically, what human beings fear and what they do not — helps to explain why nations haven't insisted on more significant emissions reductions even as scientists warn that if the world continues on its current course, we will face exceedingly serious losses and threats including a significant rise in sea levels by century's end. First, people tend to be especially focused on risks or hazards that have an identifiable perpetrator, and for that reason produce outrage. 'Warmer temperatures are a product not of any particular human being or group, but the interaction between nature and countless decisions by countless people. There are no obvious devils or demons — no individuals who intend to create the harms associated with climate change.' The second obstacle is that people tend to evaluate risks by way of 'the availability heuristic,' which leads them to assess the probability of harm by asking whether a readily available example comes to mind. For example, an act of terrorism is likely to be both available and salient, and hence makes people fear that another such event will occur. A recent crime or accident can activate attention and significantly inflate people's assessment of risk. Finally, human beings are far more attentive to immediate threats than to long-term ones. They may neglect the future, seeing it as a kind of foreign country, one they may not ever visit. For this reason, they might fail to save for retirement, or they might engage in risk-taking behavior such as smoking or unhealthy eating that will harm their future selves. 'All the obstacles are daunting skepticism about the science, economic self-interest, and the difficulties of designing cost-effective approaches and obtaining an international agreement,' concludes Sunstein, 'But the world is unlikely to make much progress on climate change until the barrier of human psychology is squarely addressed.'" -
Galileo: Right On the Solar System, Wrong On Ice
carmendrahl writes "Famed astronomer Galileo Galilei is best known for taking on the Catholic Church by championing the idea that the Earth moves around the sun. But he also engaged in a debate with a philosopher about why ice floats on water. While his primary arguments were correct, he went too far, belittling legitimate, contradictory evidence given by his opponent, Ludovico delle Colombe. Galileo's erroneous arguments during the water debate are a useful reminder that the path to scientific enlightenment is not often direct and that even our intellectual heroes can sometimes be wrong." -
Could a Grace Hopper Get Hired In Today's Silicon Valley?
theodp writes "There has been lots of heated discussion on the topic of where-the-girls-aren't, both in the tech and larger business world. Dave Winer broached the subject of 'Why are there so few women programmers?', prompting a mix of flame, venom and insight. Over at Valleywag, Nitasha Tiku pegs 'Culture Fit' as an insidious excuse used to marginalize women in tech. Completing the trilogy is an HBR article, 'Why Do So Many Incompetent Men Become Leaders?', in which Tomas Chamorro-Premuzic concludes the problem is that manifestations of hubris, which occur much more frequently in men than women, are commonly mistaken for leadership potential. So, with a gender and age strike against her, would a Grace Hopper in her prime even land an interview in today's Silicon Valley?" -
Inspired By the Peter Principle: the Peter Pinnacle
bfwebster writes "Michael Swaine — long-time, well-known and very prolific author/editor in the programming and personal computing worlds — has just devised a new twist on the Peter Principle: the Peter Pinnacle, 'meaning to get promoted so high and to be so unqualified for your job that the company tells you that you can name your price just to go away.' I'm sure the timing of the neologism is just a coincidence." -
Physicists Find Solid-State 'Triple Point' In Material That Conducts, Insulates
vinces99 writes "It is well known to scientists that the three common phases of water – ice, liquid and vapor – can exist stably together only at a particular temperature and pressure, called the triple point. Also well known is that the solid form of many materials can have numerous phases, but it is difficult to pinpoint the temperature and pressure for the points at which three solid phases can coexist stably. Physicists now have made the first-ever accurate determination of a solid-state triple point in a substance called vanadium dioxide, which is known for switching rapidly – in as little as one 10-trillionth of a second – from an electrical insulator to a conductor, and thus could be useful in various technologies. 'These solid-state triple points are fiendishly difficult to study, essentially because the different shapes of the solid phases makes it hard for them to match up happily at their interfaces,' said David Cobden, a University of Washington physics professor who is lead author of a paper about the research published in Nature. 'There are, in theory, many triple points hidden inside a solid, but they are very rarely probed.'" -
Three Banks Lose Millions After Wire Transfer Switches Hacked
mask.of.sanity writes "Criminals have stolen millions from three unnamed U.S. banks by launching slow and stealthy denial of service attacks as a distraction before attacking wire payment switches. The switches manage and execute wire transfers and could have coughed up much more cash should the attackers have pressed on. RSA researcher Limor Kessem said, 'The service portal is down, the bank is losing money and reliability, and the security team is juggling the priorities of what to fix first. That's when the switch attack – which is very rare because those systems are not easily compromised [and require] high-privilege level in a more advanced persistent threat style case – takes place.'" -
The Cryonics Institute Offers a Chance at Immortality (Video #2)
Today's interviewee is Cryonics Institute (CI) Director Andy Zawacki, who takes Slashdot's Robert Rozeboom into the facility where they keep the tanks with frozen people in them. Yesterday, Rob talked with David Ettinger, who is both the group's lawyer and the son of CI founder Robert Ettinger. For those of you who are obsessed with the process of vitrification, here's a link to a story about The Cryonics Institute's 69th Patient and how she was taken care of, starting at the moment of her deanimation (AKA death). The story has anatomical drawings, charts, and color pictures of Andy carrying out the actual procedure. But Cryonics, while endorsed as a concept by numerous scientists, may not be as good a way to insure immortality as transplanting your brain into a fresh (probably robotic) body, as Russian billionaire Dmitry Itskov hopes to do by 2035. There are also many groups that claim to offer spiritual (as opposed to corporeal) immortality. Which method of living forever works best? That remains to be seen, assuming any of them work at all. Perhaps we'll find out after the Singularity. -
The Cryonics Institute Offers a Chance at Immortality (Video #2)
Today's interviewee is Cryonics Institute (CI) Director Andy Zawacki, who takes Slashdot's Robert Rozeboom into the facility where they keep the tanks with frozen people in them. Yesterday, Rob talked with David Ettinger, who is both the group's lawyer and the son of CI founder Robert Ettinger. For those of you who are obsessed with the process of vitrification, here's a link to a story about The Cryonics Institute's 69th Patient and how she was taken care of, starting at the moment of her deanimation (AKA death). The story has anatomical drawings, charts, and color pictures of Andy carrying out the actual procedure. But Cryonics, while endorsed as a concept by numerous scientists, may not be as good a way to insure immortality as transplanting your brain into a fresh (probably robotic) body, as Russian billionaire Dmitry Itskov hopes to do by 2035. There are also many groups that claim to offer spiritual (as opposed to corporeal) immortality. Which method of living forever works best? That remains to be seen, assuming any of them work at all. Perhaps we'll find out after the Singularity. -
The Cryonics Institute Offers a Chance at Immortality (Video #2)
Today's interviewee is Cryonics Institute (CI) Director Andy Zawacki, who takes Slashdot's Robert Rozeboom into the facility where they keep the tanks with frozen people in them. Yesterday, Rob talked with David Ettinger, who is both the group's lawyer and the son of CI founder Robert Ettinger. For those of you who are obsessed with the process of vitrification, here's a link to a story about The Cryonics Institute's 69th Patient and how she was taken care of, starting at the moment of her deanimation (AKA death). The story has anatomical drawings, charts, and color pictures of Andy carrying out the actual procedure. But Cryonics, while endorsed as a concept by numerous scientists, may not be as good a way to insure immortality as transplanting your brain into a fresh (probably robotic) body, as Russian billionaire Dmitry Itskov hopes to do by 2035. There are also many groups that claim to offer spiritual (as opposed to corporeal) immortality. Which method of living forever works best? That remains to be seen, assuming any of them work at all. Perhaps we'll find out after the Singularity. -
The Cryonics Institute Offers a Chance at Immortality (Video #2)
Today's interviewee is Cryonics Institute (CI) Director Andy Zawacki, who takes Slashdot's Robert Rozeboom into the facility where they keep the tanks with frozen people in them. Yesterday, Rob talked with David Ettinger, who is both the group's lawyer and the son of CI founder Robert Ettinger. For those of you who are obsessed with the process of vitrification, here's a link to a story about The Cryonics Institute's 69th Patient and how she was taken care of, starting at the moment of her deanimation (AKA death). The story has anatomical drawings, charts, and color pictures of Andy carrying out the actual procedure. But Cryonics, while endorsed as a concept by numerous scientists, may not be as good a way to insure immortality as transplanting your brain into a fresh (probably robotic) body, as Russian billionaire Dmitry Itskov hopes to do by 2035. There are also many groups that claim to offer spiritual (as opposed to corporeal) immortality. Which method of living forever works best? That remains to be seen, assuming any of them work at all. Perhaps we'll find out after the Singularity. -
GM Rice Passes Unexpected Benefits To Weeds
ananyo writes "A genetic-modification technique used widely to make crops herbicide resistant has been shown to confer advantages on a weedy form of rice, even in the absence of the herbicide. Used in Monsanto's 'Roundup Ready' crops, for example, resistance to the herbicide glyphosate enables farmers to wipe out most weeds from the fields without damaging their crops. A common assumption has been that if such herbicide resistance genes manage to make it into weedy or wild relatives, they would be disadvantageous and plants containing them would die out. But the new study led by Lu Baorong, an ecologist at Fudan University in Shanghai, challenges that view: it shows that a weedy form of the common rice crop, Oryza sativa, gets a significant fitness boost from glyphosate resistance, even when glyphosate is not applied. The transgenic hybrids had higher rates of photosynthesis, grew more shoots and flowers and produced 48 — 125% more seeds per plant than non-transgenic hybrids — in the absence of glyphosate, the weedkiller they were resistant to." -
The Cryonics Institute Offers a Chance at Immortality (Video)
Do you want to be frozen after you die, in hopes of being revived a century or two (or maybe ten) in the future? It can cost less than an electric car. That's what the Cryonics Institute (CI) offers. David Ettinger, today's interviewee, is both the son of CI founder Robert Ettinger and CI's lawyer. In this video, among other things, he talks about arrangements that were made for his father's demise, and how they were able to start the cryopreservation process almost immediately after he expired. Is Cryonics the best chance at immortality for those of us likely to die before the Singularity arrives, and gives all of us the tools we need to live forever? David Ettinger obviously thinks so. (This is Video #1 of 2. The second one is scheduled to run tomorrow. It's an interview with CI Director Andy Zawacki, who takes us into the facility where the frozen bodies are stored.) -
The Cryonics Institute Offers a Chance at Immortality (Video)
Do you want to be frozen after you die, in hopes of being revived a century or two (or maybe ten) in the future? It can cost less than an electric car. That's what the Cryonics Institute (CI) offers. David Ettinger, today's interviewee, is both the son of CI founder Robert Ettinger and CI's lawyer. In this video, among other things, he talks about arrangements that were made for his father's demise, and how they were able to start the cryopreservation process almost immediately after he expired. Is Cryonics the best chance at immortality for those of us likely to die before the Singularity arrives, and gives all of us the tools we need to live forever? David Ettinger obviously thinks so. (This is Video #1 of 2. The second one is scheduled to run tomorrow. It's an interview with CI Director Andy Zawacki, who takes us into the facility where the frozen bodies are stored.) -
The Cryonics Institute Offers a Chance at Immortality (Video)
Do you want to be frozen after you die, in hopes of being revived a century or two (or maybe ten) in the future? It can cost less than an electric car. That's what the Cryonics Institute (CI) offers. David Ettinger, today's interviewee, is both the son of CI founder Robert Ettinger and CI's lawyer. In this video, among other things, he talks about arrangements that were made for his father's demise, and how they were able to start the cryopreservation process almost immediately after he expired. Is Cryonics the best chance at immortality for those of us likely to die before the Singularity arrives, and gives all of us the tools we need to live forever? David Ettinger obviously thinks so. (This is Video #1 of 2. The second one is scheduled to run tomorrow. It's an interview with CI Director Andy Zawacki, who takes us into the facility where the frozen bodies are stored.) -
Partner of Guardian's Snowden Reporter Detained Under Terrorism Act
hydrofix writes "The partner of the Guardian journalist Glenn Greenwald, who has written a series of stories revealing mass surveillance programs by the National Security Agency (NSA), was held for almost nine hours on Sunday by UK authorities as he passed through the Heathrow airport on his way home to Rio de Janeiro. David Miranda was stopped by officers and informed that he would be questioned under the Terrorism Act 2000. The 28-year-old was held for nine hours, the maximum the law allows before officers must release or formally arrest the individual. According to official figures, most examinations last under an hour, and only one in 2,000 people detained are kept for more than six hours. Miranda was released without charge, but officials confiscated electronics including his mobile phone, laptop, camera, memory sticks, DVDs and games consoles. 'This is a profound attack on press freedoms [...] to detain my partner for a full nine hours while denying him a lawyer, and then seize large amounts of his possessions, is clearly intended to send a message of intimidation to those of us who have been reporting on the NSA and GCHQ,' Greenwald commented." -
Chinese Developer To Build Ocean-Water Thermal Energy System
the_newsbeagle writes "When you've got a wacky high-tech idea that will cost a lot of money, head to China. Lockheed Martin is the latest company to heed this advice. For decades, Lockheed has investigated ocean thermal energy conversion, in which the temperature difference between warm surface water and cold deep water is leveraged to produce power. Just a few years ago, the company was working with the Navy and discussing a possible OTEC pilot project in Hawaii's Pearl Harbor. That idea has since been scrapped, and Lockheed is now partnering with a Chinese resort developer to build the 10-MW pilot plant off the coast of southern China. Lockheed hasn't disclosed the cost of building this plant, but outside experts say it might cost more than $300 million." -
Why Weather Control Conspiracy Theories Are Scientifically Ludicrous
barlevg writes "The Washington Post's Capital Weather Gang breaks down two popular conspiracy theories: that HAARP is responsible for severe weather and that contrails from commercial airliners are actually 'chemtrails' sprayed for nefarious purposes. The article shows why each is preposterous to anyone with even an elementary knowledge of meteorology or an iota of common sense. The author readily acknowledges that his analysis will do nothing to convince the tinfoil-hat-wearing, vinegar-spraying members of the populace." -
Why Weather Control Conspiracy Theories Are Scientifically Ludicrous
barlevg writes "The Washington Post's Capital Weather Gang breaks down two popular conspiracy theories: that HAARP is responsible for severe weather and that contrails from commercial airliners are actually 'chemtrails' sprayed for nefarious purposes. The article shows why each is preposterous to anyone with even an elementary knowledge of meteorology or an iota of common sense. The author readily acknowledges that his analysis will do nothing to convince the tinfoil-hat-wearing, vinegar-spraying members of the populace." -
Why Weather Control Conspiracy Theories Are Scientifically Ludicrous
barlevg writes "The Washington Post's Capital Weather Gang breaks down two popular conspiracy theories: that HAARP is responsible for severe weather and that contrails from commercial airliners are actually 'chemtrails' sprayed for nefarious purposes. The article shows why each is preposterous to anyone with even an elementary knowledge of meteorology or an iota of common sense. The author readily acknowledges that his analysis will do nothing to convince the tinfoil-hat-wearing, vinegar-spraying members of the populace." -
Debian Turns 20
New submitter stderr_dk writes "According to Wikipedia, the initial release of Debian happened 16 August 1993. In other words, it's Debian's birthday and you're all invited. 'During the Debian Birthday, the Debian conference will open its doors to anyone interested in finding out more about Debian and Free Software, inviting enthusiasts, users, and developers to a half day of talks relating to Free Software, the Debian Project, and the Debian operating system.' Over the years, Debian has been forked a number of times. Some of the more well-known forks are Ubuntu and Knoppix. The latest release of Debian pure blend was Debian 7.1 'Wheezy' on June 15th 2013." -
Debian Turns 20
New submitter stderr_dk writes "According to Wikipedia, the initial release of Debian happened 16 August 1993. In other words, it's Debian's birthday and you're all invited. 'During the Debian Birthday, the Debian conference will open its doors to anyone interested in finding out more about Debian and Free Software, inviting enthusiasts, users, and developers to a half day of talks relating to Free Software, the Debian Project, and the Debian operating system.' Over the years, Debian has been forked a number of times. Some of the more well-known forks are Ubuntu and Knoppix. The latest release of Debian pure blend was Debian 7.1 'Wheezy' on June 15th 2013." -
Area 51 No Longer (Officially) a Secret
schnell writes "The first-ever declassified story of Area 51's origin is now available, thanks to a Freedom of Information Act filed years ago by George Washington University's National Security Archive. The (only lightly redacted) document is actually primarily a history of the U-2 and A-12 ("Oxcart") spy plane programs from the Cold War, but is remarkable for being the first-ever official unclassified acknowledgment of Area 51's purpose and its role in the program. Interesting tidbits include that the U-2 program was kicked off with a CIA check mailed personally to Lockheed Skunk Works chief Kelly Johnson for $1.25M; a U-2 was launched off an aircraft carrier to spy on French nuclear tests; and the U-2 delivery program itself was actually done under budget, a rarity for secret government programs then or now." -
The Grasshopper Can Fly Sideways
Phoghat writes "I'm of a 'certain age' and as a child grew up watching shows like "Rocky Jones, Space Ranger and others popular at the dawn of the space age. They always showed rocket ships sitting on their tails and blasting off, and landing, straight up. The shuttle went up that way but had to land like a plane, and anything else was considered impossible or impractical. Now, the Space X's rocket Grasshopper can not only do that, but has demonstrated sideways flight also." -
Easily-Captured Asteroids Identified
Hugh Pickens DOT Com writes "Long overlooked as mere rocky chunks leftover from the formation of the solar system, asteroids have recently gotten a lot more scrutiny as NASA moves forward with plans to capture, tow, and place a small asteroid somewhere near our planet. Two different private space companies, Planetary Resources and Deep Space Industries, plan to seek out and mine precious metals and water from near-Earth asteroids. Now Adam Mann reports that astronomers have identified 12 candidate Easily Retrievable Objects (EROs) ranging in size from approximately 2 meters to 60 meters in diameter that already come (cosmically) close enough to our planet — close enough that it would take a relatively small push to put them into orbits at Lagrange points near Earth using existing rocket technology. For example, 2006 RH120 could be sent into orbit at L2 by changing its velocity by just 58 meters per second with a single burn on 1 February 2021. Moving one of these EROs would be a 'logical stepping stone towards more ambitious scenarios of asteroid exploration and exploitation, and possibly the easiest feasible attempt for humans to modify the Solar System environment outside of Earth (PDF),' write the authors in Celestial Mechanics and Dynamical Astronomy. None of the 12 ERO asteroids are new to astronomers; in fact, one of them became briefly famous when it was found to be temporarily orbiting the Earth until 2007. But until now nobody had realized just how easily these bodies could be captured." -
Amateur Astronomer Bruce Berger Talks About Meteors and Telescopes (Video)
Bruce Berger is an IT guy, but he's also an amateur astronomer who takes at least one aspect of astronomy more seriously than most sky-watchers. Not content with what he could buy when he first wanted a telescope of his own, Berger set out to make one -- it turned out so well, he says he'll never part with it, and he's made several others since, and taught many other people to do the same. In this pursuit, he's also been a long-time member of the Amateur Telescope Makers of Boston, including a stint as the group's president. (Berger's custom license plate reads "SCPMKR.") In the video below, though, I caught up with him in Maine between evenings watching this year's spectacular Perseid showers (and without any of his home-built scopes to hand), to give some insight about what would-be skywatchers should consider in looking at scopes. It's surprising just how good today's telescopes are for the money, but it's easy to be ripped off, too, or at least disappointed. (And besides avoiding department store junk, building your own is still Bruce's strongest advice.) Ed note: This Video is Part 1 of 2. Part 2 will run tomorrow. -
GNUstep Kickstarter Campaign Launched
borgheron writes "A maintainer of GNUstep has launched a Kickstarter campaign to get the resources needed to make GNUstep more complete and bring the implementation to API compatibility with Mac OS X 10.6's Cocoa. This will allow applications for Mac OS X to run on GNU/Linux with a simple recompile using new tools developed by the GNUstep team to directly build from xcodeproj project files. If the Kickstarter project is funded beyond its $50,000 goal, it's possible that WebKit and Darling might also be completed allowing applications built on Mac OS X to run without the need for a recompile... think WINE-like functionality for Mac OS X applications on other platforms... including Windows, Linux, BSD, etc." GNUStep is pretty useful now, but increased coverage of newer Cocoa APIs would be nice, and Darling in particular is interesting by providing a portable Mach-O binary loader. -
Royal Navy Deployed Laser Weapons During the Falklands War
Zothecula writes "Despite recent demonstrations by the US Navy, we still think of laser weapons as being things of the future. However, previously-classified British documents prove that not only were the major powers working on laser weapons in the 1970s and 80s, but that they were already being deployed with combat units in war zones. A letter from the Ministry of Defence released under the 30-year rule reveals that laser weapons were deployed on Royal Navy ships during the Falklands War in 1982, and that the British government was concerned about similar weapons being developed behind the Iron Curtain." -
Could Humanity Really Build 'Elysium'?
Hugh Pickens DOT Com writes "Miriam Kramer writes at Space.com that in the new movie Elysium, Earth is beyond repair, and the rich and powerful have decided to leave it behind to live in a large, rotating space station stocked with mansions, grass, trees, water and gravity. 'The premise is totally believable to me. I spent 28 years working on NASA's International Space Station and retired last summer as the director of ISS at NASA Headquarters. When I took a look at the Elysium space station, I thought to myself, that's certainly achievable in this millennium,' says Mark Uhran, former director of the International Space Station Division in NASA's Office of Human Exploration and Operations. 'It's clear that the number-one challenge is chemical propulsion.' Nuclear propulsion could be a viable possibility eventually, but the idea isn't ready for prime time yet. 'We learned an incredible amount with [the International Space Station] and we demonstrated that we have the technology to assemble large structures in space.' The bottom line: 'If you threw everything you had at it, could you reach a space station of the scale of Elysium in 150 years?' says Uhran. 'That's a pretty tall order.'" -
Dogs Trained To Sniff Out Ovarian Cancer
Hugh Pickens DOT Com writes "Dogs have been trained to sniff out drugs, explosives, cadavers, mobile phones, firearms, and money but now AP reports that researchers have started training canines to sniff out the signature compound that indicates the presence of ovarian cancer. If the animals can isolate the chemical marker, scientists at the nearby Monell Chemical Senses Center will work to create an electronic sensor to identify the same odorant. "Because if the dogs can do it, then the question is, Can our analytical instrumentation do it? We think we can," says organic chemist George Preti. More than 20,000 Americans are diagnosed with ovarian cancer each year. When it's caught early, women have a five-year survival rate of 90 percent. But because of its generic symptoms — weight gain, bloating or constipation — the disease is more often caught late." -
Dogs Trained To Sniff Out Ovarian Cancer
Hugh Pickens DOT Com writes "Dogs have been trained to sniff out drugs, explosives, cadavers, mobile phones, firearms, and money but now AP reports that researchers have started training canines to sniff out the signature compound that indicates the presence of ovarian cancer. If the animals can isolate the chemical marker, scientists at the nearby Monell Chemical Senses Center will work to create an electronic sensor to identify the same odorant. "Because if the dogs can do it, then the question is, Can our analytical instrumentation do it? We think we can," says organic chemist George Preti. More than 20,000 Americans are diagnosed with ovarian cancer each year. When it's caught early, women have a five-year survival rate of 90 percent. But because of its generic symptoms — weight gain, bloating or constipation — the disease is more often caught late." -
Ask Slashdot: Best/Newest Hardware Without "Trusted Computing"?
An anonymous reader writes "What is the best/newest hardware without trusted computing (TC) / Trusted Platform Module(TPM)? I am currently running ancient 32-bit hardware and thinking about an upgrade to something x64 with USB3, SATA3 and >1 core on the CPU ... but don't want TC/TPM. I have no need to run anything like Blu Ray movie disks or Microsoft Windows that requires TC/TPM or the UEFI boot process. Is anybody else still trying to avoid TC/TPM? What have your experiences been? Any pointers?" Worth reading on this front, too: Richard Stallman on so-called Trusted Computing,. -
The Science of 12-Step Programs
Hugh Pickens DOT Com writes "Since the inception of Alcoholics Anonymous — the progenitor of 12-step programs — science has sometimes been at odds with the notion that laypeople can cure themselves because the numerous spiritual references that go with the 12-step program puts A.A. on "the fringe" in the minds of many scientists. But there is an interesting read at National Geographic where Jarret Liotta writes that new research shows that the success of the 12-step approach may ultimately be explained through medical science and psychology. According to Marvin Seppala, chief medical officer at Hazelden and sober 37 years, attending 12-step meetings does more than give an addict warm, fuzzy feelings. The unconscious neurological pull of addiction undermines healthy survival drives, causing individuals to make disastrous choices, he says. "People will regularly risk their lives—risk everything—to continue use of a substance." Addicts don't want to engage in these behaviors, but they can't control themselves. "The only way to truly treat it is with something more powerful," like the 12 steps, that can change patterns in the brain. Philip Flores, author of Addiction as an Attachment Disorder, says the human need for social interaction is a physiological one, linked to the well-being of the nervous system. When someone becomes addicted, Flores says, mechanisms for healthy attachment are "hijacked," resulting in dependence on addictive substances or behaviors. Some believe that addicts, even before their disease kicks in, struggle with knowing how to form emotional bonds that connect them to other people. Co-occurring disorders, such as depression and anxiety, make it even harder to build those essential emotional attachments. "We, as social mammals, cannot regulate our central nervous systems by ourselves," Flores says. "We need other people to do that."" -
Chaos Computer Club, Others Scoff At German Email Security Move As "Marketing"
The move on the part of three large German ISPs to provide more secure email, marketed as "Email made in Germany" (Deutsche Telekom's part specifically was mentioned here yesterday), has drawn sharp criticism from security experts, according to a report at Ars. Among those experts are members of the Chaos Computing Club, and GPGMail lead Lukas Pitschl, who responded to the move from Deutsche Telekom, GMX, and Web.de to encrypt all email in transmission with SMTP TLS : "'If you really want to protect your e-mails from prying eyes, use OpenPGP or S/MIME on your own desktop and don't let a third-party provider have your data,' he told Ars. 'No one of the "E-Mail made in Germany" initiative would say if they encrypt the data on their servers so they don't have access to it, which they probably don't and thus the government could force them to let them access it.'" -
Jon Oxer Talks About the ArduSats That are On the Way to ISS (Video)
Two ArduSats were launched last week from Japan, along with an ISS resupply package, and on August 9 this payload is due to arrive at the International Space Station. Jon Oxer is a co-founder of Freetronics, a company that sells Arduino-based products, so he has a vested interest in ArduSat's success. He's also a major Free Software booster, which may be part of the reason he was at OSCON -- where Timothy Lord and his camcorder caught up with him. BTW: This is the same JAXA (Japan Aerospace Exploration Agency) launch that is carrying the first talking humanoid robot to go into space from Earth. So this launch is not only "a giant leap for robots," as Japanese robot Mirata famously said, but is also a good-sized step for Arduinos. And for CubeSats, too. -
Jon Oxer Talks About the ArduSats That are On the Way to ISS (Video)
Two ArduSats were launched last week from Japan, along with an ISS resupply package, and on August 9 this payload is due to arrive at the International Space Station. Jon Oxer is a co-founder of Freetronics, a company that sells Arduino-based products, so he has a vested interest in ArduSat's success. He's also a major Free Software booster, which may be part of the reason he was at OSCON -- where Timothy Lord and his camcorder caught up with him. BTW: This is the same JAXA (Japan Aerospace Exploration Agency) launch that is carrying the first talking humanoid robot to go into space from Earth. So this launch is not only "a giant leap for robots," as Japanese robot Mirata famously said, but is also a good-sized step for Arduinos. And for CubeSats, too. -
NZ Professor Advocates Civil Disobedience Against Mass Surveillance
nut writes "We're all aware of how much surveillance we are under on the internet thanks to Edward Snowden. Gehan Gunasekara, an associate commercial law professor at Auckland University in New Zealand, wants us all to start sending suspicious looking but meaningless data across the internet to overload automated surveillance systems. Essentially he is advocating a mass distributed Bayesian poisoning attack against our watchers." -
Interview: Oceanographer David Gallo Answers Your Questions
A while ago you had a chance to ask oceanographer and Director of Special Projects at the Woods Hole Oceanographic Institution, David Gallo, about the mysteries of the deep and the tech we're using to get there. Below you'll find his answers to your questions. Chilling
by syphax
What's the most chilling thing you've observed underwater? By "chilling," I mean: some really weird-looking, previously unknown creature, remains of the Titanic, a squid attacking an ROV, etc. By "observed" I mean either directly, by video, or by evidence (e.g. ROV with large sucker marks)
Gallo: Almost every time we get a peek beneath the sea there something that fits your description of “chilling”. People think science is unemotionalbut much of what we do is also pure exploration. Exploration means you have NO idea what’s just outside the lights of the robot or submarine. I’d have to say that in my experience some of the most “chilling” moments were during our exploration of TITANIC and the seafloor around the wreck. When you look at the boat deck, or bow, or through any of the portholes you can’t help but wonder what happened there so many years ago. Still gives me a chill just thinking about it.
Beneath the Beneath?
by eldavojohn
Something that has often perplexed me is fossil distribution through time and tectonic shifts. For example, one can go to the middle of North America and find sea fossils. So, perhaps with your knowledge of what happens to things in the deep, are there untold fossils lying under the seabed floor? Perhaps a localized population of what once used to be land animals situated such that we have never seen these fossils at the vast bottom of the Pacific Ocean? If you can fill me in on why this is or isn't possible (I have no idea what plate shifts do to the top layer or what effects untold pressure has on fossils), I would be extremely interested! Thanks!
Gallo: t’s definitely possible..and probable. In fact there is a recent report of a “new continent” in the Indian Ocean
There are lots of fossils buried in the sediments of the sea. Most are marine plants and animals. Right next to land there should be fossils of land animals. One of the challenges is finding where ancient shorelines used to be. Over time sea level has gone up and down hundreds of feet. Some of the ancient shorelines are now deep beneath the waves.
The fact that we are still finding big chunks of continent that are now at the bottom of the sea means that there might well be fossils of all sorts of creatures that we don’t know about. Plate tectonics shows us that the face of the earth is always changing. Continents are moving around and as they do mountains and oceans are created and then destroyed. There’s plenty of mystery and stories hidden in the deep blue sea for sure.
Charnia an other ancient extremophiles
by BeCre8iv
What are the chances of finding precambrian life or its descendants in the deep ocean?
Gallo: Well, just think about Coelacanths, the “fossil fish”. They were thought to have gone extinct since about 65 million years ago but VOILAno one told them that.
The only thing I will say about “chances” of finding ancient life is that it’s definitely possible. It wasn’t that long ago that we discovered hydrothermal vent communities. We’ve explored less than 10% of the oceans, but in that 10% we find the worlds greatest mountain range, tallest mountain peaks, deepest and widest valleys, underwater lakes, rivers, and even underwater waterfalls. Even more bizarre is that in a deep, dark, hostile environment where we thought there should be no life at all, we find communities of animals that rival the tropical rainforests in diversity and density. One thing we know for certain is that there is life in even the deepest parts of the oceans. Life on this planet wants to happen.
So, I ask youwhat’s in that other 90%? Did we find all the exciting stuff? I can’t predict what animals we’ll find but I promise that the next decade will be an exciting one for ocean exploration. Already Jim Cameron’s dives into the deepest parts of the Pacific Ocean (and to the deepest spot on Earth) have revealed all sorts of new species of life.
Acidification
by Bayoudegradeable
Have you noticed any affects of acidification of the world's oceans?
Gallo: Ocean acidification is one of the most serious issues we are confronted with today. The oceans absorb more than 1/3 of the carbon dioxide human activity releases into the atmosphere. Some of that carbon dioxide reacts with seawater to form carbonic acid, which makes life unpleasant for lots of creatures. Think of it this way: over time human activity has changed the chemistry and temperature of seawater. Anyone with an aquarium knows that if you change the chemistry and temperature of the water you’re asking for trouble.
I haven’t personally noticed any affects of acidification but the data coming in almost all point to the need to take steps to change our habits or suffer the consequences. When you come right down to it, we humans need to understand that everything we do has an impact on the environment and there are consequences to our actions, both good and bad. Is that news? Yes, it’s news because we used to think that the oceans were “too big to fail”. Guess what, they aren’t.
On one hand we can party ourselves into oblivion by uncontrolled exploitation of the sea and on another hand we can love this planet by making decisions based on emotion rather than facts. The wise move would be to recognize the consequences, understand the trade-offs, and minimize our impact on the oceans and atmosphere.
Sharks
by thereitis
Over time, have you seen the effects of the world's dwindling shark population?
Gallo: I’m not a shark expertbut I have lots of friends that are, and what they tell me is frightening. Apparently humans have decided to wage war on sharks. It’s a big mistake. Sharks play and incredibly important role in the ocean food web. Any idea how many sharks we kill every year? 100 million. 100,000,000. On average that’s more than 250,000 sharks EVERY day.
Here’s a recent article about the very issue.
Even though I haven’t personally seen the effects of the world’s dwindling shark population, it’s very clear to biologists that we are disrupting the oceanic food web and that will spell big trouble in the future.
Sunken ships drifting underwater?
by twosat
Many years ago, when I was aged about 12, I recall reading about a ship that had sunk and was drifting around underwater. I have heard about shipping containers doing this sort of thing, but I was wondering if you had ever seen a ship or a boat drifting around underwater.
Gallo: This is one of those things I think about whenever I’m out at sea. A friend once told me that he was on the deck of a ship that was basically sitting in the same location far out to sea. He noticed a large flock of birds circling an area of water. With time the birds got closer and closer to his ship, eventually they were all around the ship he was on. He looked down into the water to see if they were feeding on fish and what he saw made the hair on his neck stand on end. There, completely beneath the waves was an old wooden sailing ship that was apparently being pushed along by currents. As this ship passed beneath him he could make out the deck, the hatches and what was left of the masts and rigging. There were all sorts of fish that were going along for the ride as well. The whole story creeped me out but its something I always keep in mind while out at sea.
Alvin replacement?
by dj245
Back in 2008, WHOI was working with Lockheed and the American Bureau of Shipping in developing a replacement/successor to the Alvin submarine. What happened to that project and how will WHOI develop its underwater exploration capability in the future?
Gallo: As I write this the newly upgraded ALVIN is aboard the Research Vessel ATLANTIS and is off the northwest coast of the U.S.. It’s been a long road but we are finally on the verge of a new era in ocean exploration. As you know, ALVIN is a part of the National Deep Submergence Facility and carries 3 people several miles deep into the ocean. Aside from the passengers, the submarine carries a science payload of sensors, sampling gear, and imaging systems. Even though the basic ALVIN design has been around for decades, there is every reason to believe that ALVIN will remain the most productive human occupied deep sea exploration vehicle on earth for a long time to come.
As you are probably aware, in addition to ALVIN the Woods Hole Oceanographic Institution has recently taken delivery of James Cameron’s Deep Sea Challenger submarine. Jim’s dive in this vehicle, to the deepest region of the Mariana Trench means that there is no place beneath the sea that is beyond human reach. The entire ocean is now open to human exploration. To compliment the human presence we also have the robotic vehicle NEREUS. NEREUS has also visited the Mariana Trench.
We are entering a new age of undersea exploration – one in which the deep-sea presence will consist of humans and robots working together complementing each other’s capabilities. At Woods Hole Oceanographic we have a suite of remotely operated vehicles, autonomous vehicles, drifters, gliders, and more, each capable of carrying a suite of sensors into the deep.
More recently we have just formed the Center for Marine Robotics (CMR), which is designed to facilitate the creation of the next generation of robotics and promote the use of robots to solve real world needs. You can read about CMR here.
ROVs and AUVs
by GonzoPhysicist
It's very difficult for me to see a reason for send human beings exploring when the state of remote and autonomous systems is improving so rapidly. What organizations and platforms show the most promise in this field and where is the most improvement needed?
Gallo: Great question. If it’s all about data. then robotic systems are your clear winner. There’s no way humans in a submarine can really compete (on paper anyway) with a properly used suite of robots. Robots can stay longer, carry more sensors, move faster, survey precise lines, etc etc..
HOWEVER, if it’s about inspiration and making the best use of the human brain, I think the human presence is the way to go. “Being there” may be inefficient and the benefit may be intangible, but to me there is no substitution. Think of it this way. It’s the same reason we still go to live sporting events or concerts. You can get a MUCH better view and probably sound from the comfort of your couch, but there is something about being there in person that is positively fantastic. It may be important to explore everything with robots, but it’s just as important to supercharge human curiosity and experience. Plus, I don’t know any young people that want to be robots when they grow up. So, I’m conceding that robots are fantastic and will revolutionize our view of the deep, but to me that means the human presence to interpret what it all means is all that much more important.
We are still looking for radical breakthroughs in power, propulsion, navigation, telemetry, etc etc etc.. Any advantage we can get against the physics of seawater would be welcome. Most people don’t realize that the ocean is deep (average depth 2.5 miles), dark, and hostile (the pressure at depth crushed TITANIC the same way you can crush and empty paper cup in your hand). At Woods Hole we have formed the Center for Marine Robotics (CMR, see preceding question) to accelerate the pace of innovation. There are new ideas coming from all sorts of new entities. Just to name a few the Wave Glider from Liquid Robotics Inc., the OpenROV robotic kit, and even James Cameron’s Deep Sea Challenger Submarine are all in there own way surprising, disruptive and very welcome advances in ocean exploration.
Challenger DEEP's Future Mission
by minibnz
I saw an announcement that James Cameron has donated the Challenger Deep Submarine to WHOI, As one of the lucky people to work on this vehicle during its construction, here in Australia, I was wondering if you can tell us if there is any plans to use this Awesome Machine to explore any other parts of the planets Oceans. or is it destined to sit on display in a museum? I know how much hard work went into that machine, it would be a shame to not use the MOST Capable deep sea diving vehicle on the planet, to its fullest potential.?
Gallo: We are indeed the proud custodians of James Cameron’s Deep Sea Challenger Submarine. What an incredible privilege to take ownership of Jim’s amazing dream come true. Jim’s solo dive into the deepest part of the Marianas Trench was a spectacular achievement. We need to stop thinking of JUST the submarine and that historic dive because I think what Jim and his team accomplished was even more important. In effect, by diving successfully into the deepest spot on earth they have opened up the entire ocean to human exploration. One of the reasons Jim chose Woods Hole to take custody of Deep Sea Challenger is precisely because he knows it won’t just “sit on display in a museum”. We have already had several meetings with Jim and his very talented team and in fact have already used components of the Deep Sea Challenger System on one of our expeditions. I think that as we continue to share knowledge and ideas back and forth with Jim’s team, we’ll develop an entirely new approach to extreme deep exploration. More likely than not I think that ultimately a new set of vehicles will emerge. I’ve mentioned the Center for Marine Robotics (CMR) several times but I haven’t said that Jim Cameron has joined the advisory board. and that almost guarantees that whatever we do will be revolutionary. I can tell you that Jim and his team are now hard at work on the Avatar series BUT Jim promises that before too long he’ll be back piloting Deep Sea Challenger again.
Human Ocean and Sea Habitability Possibilities
by Tha_Big_Guy23
Having watched the show SeaQuest as a teenager, and recognizing the participation from the Woods Hole Oceanographic Institute (For the first season anyway), I wanted to ask about the feasibility of humans actually inhabiting the oceans and seas as depicted in the television series. I realize that the technology to bring the ship itself to reality is quite a bit ahead of where we are now, but do you think it's possible in the near-future that humans will begin to colonize the oceans?
Gallo: I can tell you that if we set a goal to colonize the oceans, we will get that done. The scientific and engineering talent definitely exists. The question is, why? Right now there is a good deal of land that is available for human occupation and frankly we are mismanaging the land we presently occupy. We can do a lot better. Specifically we need to understand that the atmosphere and the oceans are our lifeblood and if we change the chemistry and temperature of either or both (and we have) we are asking for trouble. I can think of reasons we might want to, or need to, move into the sea, but it would be pretty costly. I hope, before we get to that point, we decide it’s in the best interest of humans to think as a species on a tiny planet rather than as competing nations. To me our greatest threat is our own arrogant and ignorant behavior. That being said, here’s an interesting, but maybe useless bit of information. If you give everyone on earth (7 billion people) an airline seat (12 cubic feet), you can fit everyone comfortable into a box (cube) that’s one mile on a side. I knowpopulation is more nowbut the point is that we are like microbes on this planet and just like microbes we have managed to make the planet “sick”. -
Former Director of the ISS Division At NASA Talks About Science Behind 'Elysium'
Nerval's Lobster writes "In the new movie 'Elysium,' Earth a century and a half from now is an overtaxed slum, low on niceties like clean water and riddled with crime and sickness. The ultra-rich have abandoned terra firma in favor of Elysium, an orbital space station where the champagne flows freely and the medical care is the best possible. Mark Uhran, former director of the International Space Station Division at NASA headquarters, talked with Slashdot about what it would take (and how much it would cost) to actually build a space station like that for civilians. It turns out NASA did a report way back in 1975 describing what it would take to build a Stanford torus space station like the one in the movie: rotation for artificial gravity, a separate shield for radiation and debris, the ability to mine materials from astroids or possibly the moon, and $190.8 billion in 1975 dollars (the equivalent of $828.11 billion today). Looks like the ultra-rich are stuck on Earth for the time being." And still artificial gravity experiments languish.