Domain: ku.edu
Stories and comments across the archive that link to ku.edu.
Stories · 9
-
Scientists Find 66-Million-Year-Old Fossils From The Day The Dinosaurs Died (usatoday.com)
"It's like a time capsule of the end of the world," reports USA Today: 66 million years ago, in what's now North Dakota, a group of animals died together, only a few minutes after a huge asteroid smashed into the Earth near present-day Mexico. Scientists Friday announced the discovery of the jumbled, fossilized remains of the animals, all killed when a tsunami-like wave and a torrent of rocks, sand and glass buried them alive.
This graveyard of fish, mammals, insects and a dinosaur is a unique, first-of-its-kind discovery from the exact day that life on Earth changed forever, according to the study lead author Robert DePalma, a curator at the Palm Beach Museum of Natural History... DePalma added that the find provides spectacular new detail to what is perhaps the most important event to ever affect life on Earth... The asteroid impact and resulting mass extinction, which scientists call the K-T boundary, marked the end of the Cretaceous Era. The aftereffects of that infamous asteroid collision killed 75 percent of all species on Earth, including the dinosaurs. It's the planet's most recent mass extinction.
Scientists believe the asteroid was 12 kilometers (7.4 miles) wide, the BBC reports, and that it "hurled billions of tonnes of molten and vaporised rock into the sky in all directions - and across thousands of kilometres." DePalma argues that moment "is tied directly to all of us -- to every mammal on Earth, in fact. Because this is essentially where we inherited the planet.
"Nothing was the same after that impact. It became a planet of mammals rather than a planet of dinosaurs." -
Supernovae May Explain Mass Extinctions of Marine Animals During Pliocene Era (theregister.co.uk)
"The Register has an article on the possibility that a supernova or a series of them could explain a mass die-off of marine animals around 2.6 million years ago," writes Slashdot reader KindMind. From the report: A gigantic supernova explosion may have triggered mass extinctions for creatures living in Earth's prehistoric oceans some 2.6 million years ago, according to new research published in Astrobiology. Marine animals like the megalodon [...] suddenly disappeared during the late Pliocene. Around the same time, scientists [...] noticed a peak in the iron-60 isotope in ancient seabeds. "As far back as the mid-1990s, people said, "Hey, look for iron-60. It's a telltale because there's no other way for it to get to Earth but from a supernova.' Because iron-60 is radioactive, if it was formed with the Earth it would be long gone by now. So, it had to have been rained down on us" explained Adrian Melott, lead author of the paper and a physics and astronomy professor at the University of Kansas.
The team believes that a supernova located 150 light years away set of a chain of supernovae bursts and covered the Earth in a shroud of deadly cosmic ray radiation. This was amplified, Melott said, because the Solar System is right on the edge of an area of the interstellar medium called the Local Bubble. The Local Bubble extends about 300 light years across and contains the two main clouds of dust and gas: Local Interstellar Cloud and the G-Cloud. As the supernovae ejected cosmic rays, these beams of energetic particles would have repeatedly bounced off the clouds to create a "cosmic-ray bath" that could have lasted 10,000 to 100,000 years. Some of that radiation such as cosmic ray muons would have leaked onto Earth, and over time it could have led to genetic mutations and cancers [that would have caused animals like the megalodon to die off prematurely]. -
Why Are Fantasy World Accents British?
kodiaktau writes "An interesting article from the BBC News Magazine explores the reasons why most fantasy worlds use British as their primary accent. Citing specific examples from recent and upcoming shows and movies like Lord of The Rings, The Hobbit and Game of Thrones, the article concludes British accents are 'sufficiently exotic,' 'comprehensible' and have a 'splash of otherness.' It would be odd to think of a fantasy world having a New Jersey accent, or even a Mid-West accent, which tends to be the default for TV and movies in the U.S., but how do UK viewers feel about having British as a default? More specifically, what about the range of UK accents, like Scottish, Welsh, Cockney? The International Dialects of English Archive shows at least nine regional sounds, with dozens of sub-regional pronunciations in England alone. In the U.S., there have always been many regional accents that might be used in interesting ways. Filmmakers should consider looking at speech accents from other areas of the world to create more interesting dialects." -
Fedora 9 (Sulphur) Released
BrianGKUAC writes "Fedora 9 has been released as of 10 AM Eastern Time this morning. Release notes can be found here. Some of the more interesting new features include a new package management system, which can be used as an alternative to pup and pirut, known as PackageKit. This release also includes GNOME 2.22 and/or KDE 4.0.3, and Firefox 3 beta 5. Overall, there are a lot of improvements worth looking at, and the Bittorrent seeds are already feeding the release fairly effectively." -
University of Kansas Adopts 'One Strike' Copyright Infringement Policy
NewmanKU writes "Eric Bangeman at Ars Technica writes that the University of Kansas has adopted a new, and very strict, copyright infringement policy for the students on the residential network. The university's ResNet website states that, 'Violation of the Digital Millennium Copyright Act is against the law. If you are caught downloading copyrighted material, you will lose your ResNet privileges forever. No second notices, no excuses, no refunds. One violation and your ResNet internet access is gone for as long as you reside on campus.' According to a KU spokesperson, KU has received 345 notices in the past year from organizations and businesses regarding complaints about copyrighted material downloading." -
13 Pico-Satellites to Launch June 28th
leighklotz writes "The CalPoly CubeSat Program announced a launch date for its 13 amateur satellites: June 28, 2006 at 19:39:11Z, from the Kazakstan Baikonur Cosmodrome aboard a Russian DNEPR-1LV rocket. The satellites are made from a kit, and are 10cm cubes." Read on for more info, including links to many of the individual satellite projects.leighklotz continues: "There are also pictures of 14 satellites and info about some of them:
- ION, University of Illinois
- RINCON, University of Arizona
- ICE Cube 1, Cornell University
- KUTESat [also] University of Kansas
- nCube nCube Norweigian University of Science and Technology
- HAUSAT-1 Hankuk Aviation University
- SEEDS Nihon University
- CP1 and CP2 Cal Poly
- AeroCube 1 The Aerospace Corporation
- Voyager University of Hawaii
- ICE Cube 2 Cornell University
These folks have a list of ongoing CubeSat projects. And as always AMSAT is a good organization to join if you have any interest in using or building your own satellites."
-
Godless Godzilla and Godzilla at 50
pjones writes " Monster Zero reports that Toho has taken the God out of Godzilla leaving us with the affectionate if diminished name of 'Zilla.' But only the American Godzilla will become godless. 'Godzilla' is reserved for our suitmation favorite, while his rival, now called 'Zilla,' is the name for the computer generated star (?) of Godzilla 98. And yes we will see the two in mortal combat with 10 other monsters in Godzilla: Final Wars. In the meantime, Godzilla at 50 events are beginning world-wide. Leave it to Kansas to hold an academic conference, 'In the Footsteps of Godzilla'. In San Francisco, the plans are more gala where more films and more Godzilla involved personalities are part of the plans for GodzillaFest which will feature 20 films (not all feature Godzilla). Any other Gojira/Godzilla/Zilla events?" -
Libraries Are 31337
tiltowait writes In response to the incredulity expressed in this story about the technical prowess of libraries, I'd like to present a short essay titled "Librarians: We're Not What You Think" - read on for more. Update: 10/20 18:15 GMT by M : The author has also put up his essay on his own webpage. From the spinster librarian in It's a Wonderful Life to the crochety archivist in Attack of the Clones, librarians are often portrayed (in everything from movies, musicals, children's books, literature, science fiction, comics and cartoons to pornography - yes, pornography) as something less than noble or admirable. The perception of librarians has been a popular topic recently, with several articles focusing on the fringe-type librarians (ska, rockabilly, bellydancing, modified, bodybuilding, laughing, and lipstick). Although something of an anti-stereotype, these people illustrate the range of librarian personalities.Many people may hold the image of a librarian as a shushing school marm who does little more than stamp and shelve books because that's all they've seen librarians do. Well think again - that's about as inaccurate as believing that Alan Greenspan is nothing more than a glorified bank teller. The job titles may change but the mission of the profession remains the same: organize information and help people find it. Libraries have been around a lot longer than the Internet, and even library technology can hold its own with the best out there. For example, Google's savvy results ranking was hardly the birth of citation analysis (next up: metadata - cough, cataloging, cough), and there are enormous library systems that also predate the Internet.
Although library geeks and technology nerds may have contrary images, in today's world the boundary between the career of the librarian and the information technologist is disappearing. Librarians today not only administer Web servers and dynamic databases to help manage large digital collections and thousands of electronic resources, they teach people how to use library systems. And just as enlightened computer engineers are advocates of noncommercial software and campaign for online rights, the library profession has a long history of staunchly defending freedom - from book burnings to the FBI's Library Awareness Program to the latest copyright battles and almost all other current issues in intellectual freedom.
Check out LISNews.com (recognize the format?) and some library blogs if you're interested in reading more about real librarians.
-
WLAN Visualization Meets GIS Mapping
martin dodge writes "The Wireless Ntwork Visualization Project (Univ. of Kansas) has an interesting alternative to just dot maps of wlan base stations. These guys are mapping out the zone of availability using gis. nice maps using aerial photographs backdrops as well. If you are interested, check out other ways of mapping 802.11b network infrastructure. "