Slashdot Mirror

mrspoonsi writes "Bristol University used ultrasound focused to create 3d objects out of the thin air. The research, led by Dr Ben Long and colleagues Professor Sriram Subramanian, Sue Ann Seah and Tom Carter from the University of Bristol's Department of Computer Science, could change the way 3D shapes are used. The new technology could enable surgeons to explore a CT scan by enabling them to feel a disease, such as a tumor, using haptic feedback. The method uses ultrasound, which is focused onto hands above the device and that can be felt. By focussing complex patterns of ultrasound, the air disturbances can be seen as floating 3D shapes. Visually, the researchers have demonstrated the ultrasound patterns by directing the device at a thin layer of oil so that the depressions in the surface can be seen as spots when lit by a lamp. "In the future, people could feel holograms of objects that would not otherwise be touchable, such as feeling the differences between materials in a CT scan or understanding the shapes of artifacts in a museum."

hypnosec writes "Quantum computers are currently available in very few labs, usually bankrolled by major organizations like Google and NASA. However, a new project called 'Qcloud' aims to break those barriers by making quantum computing available to everyone. The University of Bristol announced the launch of Qcloud today at the British Science Festival 2013, with the goal of making quantum computing resources available to researchers across the globe. Claimed to be the first open-access system of its kind, the quantum chip is located at the Center for Quantum Photonics at the University of Bristol. Researchers can remotely access the processor over the internet for their computational needs. Those looking to test their ideas on the processor would be required to first practice and hone their skills using an online simulator. The university has made tutorials available to researchers so they can learn how to tune the processor and change its output as required. Once they are confident in their skills, researchers can ask for permission to access the real quantum photonic chip."

First time accepted submitter e-sas writes "Researchers from the University of Bristol have built a new type of display which allows both a shared view and a personalised view to users at the same time. Through the two view-zones, PiVOT provides multiple personalized views where each personalized view is only visible to the user it belongs to while presenting an unaffected and unobstructed shared view to all users. They conceive PiVOT as a tabletop system aimed at supporting mixed-focus collaborative tasks where there is a main task requiring the focus of all individuals of the group but also concurrent smaller personal tasks needing access to information that is not usually shared e.g. a war-room setup. Imagine you and your friends playing multiplayer Starcraft on one big screen instead of individual computer screens!"

First time accepted submitter e-sas writes "Researchers from the University of Bristol have built a new type of display which allows both a shared view and a personalised view to users at the same time. Through the two view-zones, PiVOT provides multiple personalized views where each personalized view is only visible to the user it belongs to while presenting an unaffected and unobstructed shared view to all users. They conceive PiVOT as a tabletop system aimed at supporting mixed-focus collaborative tasks where there is a main task requiring the focus of all individuals of the group but also concurrent smaller personal tasks needing access to information that is not usually shared e.g. a war-room setup. Imagine you and your friends playing multiplayer Starcraft on one big screen instead of individual computer screens!"

CelestialScience writes "A recycling technique has enabled a quantum computer to carry out a quantum calculation known as Shor's algorithm on a larger number than ever before. The benchmark algorithm exploits quantum mechanics to simplify the factorization of numbers into their prime components — a hard task for classical computers when the numbers get large. Until now, the largest number factorized using Shor's algorithm was 15. Now Anthony Laing at the University of Bristol, UK and colleagues report in Nature Photonics that they used a recycled photon to factorize 21 — still far too small and trivial to spook cryptographers, who rely on the difficulty of factorizing large numbers for their widely-used techniques. But a record nonetheless."

SchrodingerZ writes "Since 1985, scientists have been trying to determine how Buckyballs (scientifically named Buckminsterfullerene) are created. They are molecules with the formula C60 (a fullerene) that forms a hexagonal sphere of interlocking carbon atoms. 'But how these often highly symmetric, beautiful molecules with extremely fascinating properties form in the first place has been a mystery.' For over three decades the creation of these molecules have baffled the scientific community. Recently researchers at Florida State University, in cooperation with MagLab, have looked deeper into the creation process and determined their origin. It was already known the the process for buckyball creation was under highly energetic conditions over an instant, 'We started with a paste of pre-existing fullerene molecules mixed with carbon and helium, shot it with a laser, and instead of destroying the fullerenes we were surprised to find they'd actually grown.' The fullerenes were able to absorb and incorporate carbon from the surrounding gas. This study will help to illuminate the path towards carbon nanotechnology and extraterrestrial environmental studies, due to buckyball's abundance in extrasolar clouds."

First time accepted submitter ecorona writes "This Google Maps mashup was published in Science (paywall warning) this week. It shows genetic risk for multiple diseases distributed across the globe. It's easy to follow the migration path and see which diseases increase/decrease in risk along human migration paths. Click on the populations to see the relative risk of the selected disease for each population. You can pick your a disease and see which populations are more susceptible. The article is behind a paywall, but the website is free to use." On a similar note, an anonymous reader points out a British research project that "used Twitter to track and map flu-like illnesses across the U.K. to determine if epidemics were emerging. The research culminated into an online visual tool, the Flu Detector, that maps tweeted flu rates in several regions across the U.K."

Pickens writes "The oldest genetically identifiable nuclear family met a violent death, according to analysis of remains from 4,600-year-old burials in Germany where the broken bones of these stone age people show they were killed in a struggle. Comparisons of DNA from one grave confirm it contained a mother, father, and their two children. 'We're really sure, based on hard biological facts not just supposing or assuming,' says Dr. Wolfgang Haak, from The Australian Centre for Ancient DNA. The stone-age people are thought to belong to a group known as the Corded Ware Culture, signified by their pots decorated with impressions from twisted cords. The children and adult males had the same type of strontium in their teeth — which was also found locally, but the nearest match to the women's teeth was at least 50km away, suggesting they had moved to the area. 'They were definitely murdered, there are big holes in their heads, fingers and wrists are broken,' says Dr. Alistair Pike from Bristol University. He noted that one victim even had the tip of a stone weapon embedded in a vertebra. 'You feel some kind of sympathy for them, it's a human thing, somebody must have really cared for them. ... We don't know how hard daily life was back there and if there was any space for love,' added Dr. Haak."

nerdlygirl writes "In a development that would probably even puzzle Claude Shannon, information can be negative -- at least when the information is quantum. The discovery, by Horodecki, Oppenheim, and Winter, appears in the current edition of the leading journal Nature. If I tell you negative information, you'll know less. Apparently, researchers hope to use this to gain deeper insights into phenomena such as quantum teleportation and computation, as well as the very structure of the quantum world. More details can be found here and here A popular account of the article can be found on Oppenheim's homepage, and a free version of the article can be found in the arxiv for those of us without subscriptions to Nature."

mr_lithic writes "The artist Richard Box has used the electromagnetic field generated by overhead transmission cables to power 1300 fluorescent lightbulbs positioned underneath. Some pictures available. Professor Denis Harshaw at Bristol University explains "There's an interactive element to all this, too, for those who go to the site itself. 'You affect the lights by your proximity', explains Richard Box, 'because you're a much better conductor than a glass tube. And there's sound as well as light - a crackling that corresponds to the flashing of the lights. There's a certain smell too, and your hair stands slightly on end.'" Sounds cool and it is on until February 29th. Directons here."

Mitch Wagner asks: "Are you aware of any studies that research the BENEFICIAL effects of computer gaming? Here's why I ask: I volunteer at the St. Vincent de Paul Village homeless shelter computer lab here in San Diego. Homeless men and women come into the lab to search the Internet for jobs, communicate by e-mail, and learn to use computers and the Internet. Recently, the lab installed computer games on several of the machines. From what I've observed, contrary to popular wisdom, computer gaming is a wholesome activity. It teaches people to use computers, learn problem-solving skills, think and - because the players frequently play in teams, or against each other, or looking over each other's shoulders - the players learn how to solve problems and interact in groups. These lessons are especially valuable because many of the clients are emotionally underdeveloped, lack problem-solving skills,and have difficulty working and playing with others. My observation is that time spent in the computer lab is time that the homeless clients are NOT taking drugs, NOT drinking, NOT being violent and ARE using their minds. We'd like to find some kind of studies to test our observations. Are you aware of any? I did some Googling and found two, but I'd like to find some studies that are more conclusive."

"According to research performed at the University of Bristol, video games teach strategic and planning skills that teacher's find necessary to student learning. The study was conducted on 700 7- to 16-year-old boys and girls, however we can theorize those findings might well also apply to adults, especially the kinds of emotionally underdeveloped adults likely to find themselves in a homeless shelter.

The Online Ethics Center for Engineering and Science at Case Western Reserve University notes that computer games can help users learn to use a mouse.

Full disclosure: When I'm not volunteering, my day job is as a journalist, and I might want to do an article on this subject. If that makes you uncomfortable, please let me know. I'm not trying to pull anything here - I really and truly am primarily motivated by a desire to help out the clients at SVDP Village."

Matthew Shaylor writes "The BBC has the following article about an ultramodern public transport system to be tested in Cardif. Unlike conventional public transport, this consists of small cars that running on tracks can automatically take themselves to the correct destination. This allows there to be a mesh of tracks and stations thoughout a city, as opposed to traditional transport which tends to run along corridor routes to a city center. An interesting paper is available. Future versions may have dual control to allow people to drive the cars from the nearest station off the track to their homes. A true replacement for the car!"

Slashback tonight features updates (below) on Aibo hacking (a rare bit of good news on the technical freedom front), some not-great information for excite@home users concerned about the looming darkness, a strange update in the FBI/Magic Lantern story, and more. Only Carnivore operators will know the truth. elem writes "McAfee has now come on the record and has denied contact with the FBI about the 'Magic Lantern' Project.

In an e-mail to Declan McCullagh which has also been posted on his PoliTech mailing list McAfee said the following:

"Dear Sir/Madam:

1. Network Associates/McAfee.com Corporation has not contacted the FBI, nor has the FBI contacted NAI/McAfee.com Corp., regarding Magic Lantern.
2. We do not expect the FBI to contact Network Associates/McAfee.com Corporation regarding Magic Lantern.
3. Network Associates/McAfee.com Corp. is not going to speculate on Magic Lantern as its existence has not even been confirmed by the FBI or any government agency.
4. Network Associates/McAfee.com Corporation does and will continue
   to comply with any and all U.S. laws and legislation.

Regards,
Marisa Lewis
Investor Relations Manager
McAfee.com Corporation
NASDAQ: MCAF
535 Oakmead Parkway
Sunnyvale, CA 94085
408-992-8100 phone
408-720-8450 fax
www.mcafee.com"

In a subsquent post AP reporter Ted Bridis responed by saying: "I stand by my reporting for the AP. This information came from a senior company officer. I won't identify this person in this post because I've been unable to reach this person by phone or e-mail since the flap erupted."

He also noted that McAfee never specificly denied that they might write such allowances (for Magic Lantern) into their software, it just says that they have yet to have been asked to.

Original story on slashdot and Politech with follow ups

McAfee's Response and Ted Bridis' response"

Rethinking is always a good idea. javester writes: "Sony has come to its senses and has struck a deal with AIBOPET, after the fan site was shut down when Sony's lawyers came calling last week of October.

Way to go Sony and AIBOPET!!!! More power to both of you for finding a compromise where everybody wins! Hopefully, other parties having DMCA tussles follow Sony's and AIBOPET's example, and have more constructive discussions instead of legal suits galore."

Penguin cause pollution. x136 writes "I saw this on my local Fox affiliate, but found a link on LinuxWorld. IBM has been fined again for spraypainting their blue "Peace, Love & Linux" logo, this time on the streets of San Francisco. The bill? $120,000. First Chicago, then San Francisco ... Who thought this was a good idea in the first place?"

Well, I thought the giant murals in NYC were great, but the sidewalk idea strikes me as IBM playing Brewster's Millions with the billion dollars they pledged to spend on Linux.

Out of the freezer and into the blizzard ... An Anonymous Coward writes "Comcast has decided to offer a backup plan in case their cable modem's die due to Excite@Home's bankruptcy. Good thought but the backup is NetZero. Gee thanks Comcast. Here is a link to their Service Interruption FAQ. http://www.comcastonline.com/info.htm"

Make it obfuscated, but make it snappy. Rosco P. Coltrane writes "If you haven't submitted your program(s) to the International Obfuscated C Code Contest, now is the time : the deadline is December 1st, 2001, there is only two days left !"

Mike McTernan asks: "I am about to start programming my final year project for my degree. I am aiming to write a lightweight application that will communicate with the user through some (yet to be dreamt up) novel speech interface. The program is to support the idea of applets that can be loaded and unloaded on demand, and should be reasonably lightweight. The target OS will be Linux on an ARM based board. My initial considerations were to use Java, since Reflection allows easy opening of new class files at runtime, but Blackdown are only upto 1.1.8 on arm, and this doesn't allow WeakReferences that I would very much need to use for the unloading aspect. I thought about using gcj but this isn't upto Java 2 either. I then though about C, and it seems tempting and would give a much finer grained control over the application. In particular I think can do anything with dlopen() that reflection can do for me in Java."

"Am I correct in thinking that C is probably more protable than Java since I can get it to compile on any Linux system, most Unix variants (with tweaks) and probably on Windows with some hacks ;) I can only run Java on a few supported platforms (downloads for Java seem only to be Solaris SPARC|x86, Linux x86 & Windows). So, in summary, should I bother with using an outdated JDK on arm and limit my self to a select range of platforms, or just dig in and enjoy the freedom of C?"

Step right up ladies and gentlemen and behold, quickies so amazing, that you may not want to stare directly at them. First up, a trio of Microsoft bits: Ethan sent us an RFC for writing RFCs in Word. Russ pointed us to a great entry contained within the microsoft knowledge base. and an anonymous reader noted that boardwatch is selling BillGatus of Borg posters again. You may need a soundtrack for this one: chisox sent a bit about Jem Finer composing a thousand year song (and a machine to play it). If generative music ain't your thing, Jason noted that MC (Stephen) Hawking has made some of his R&B and Rap cuts available in MP3 format. And while it isn't exactly music, Several folks showed us the way to best learn about Semi Conductors: have Britney Spears teach it. wishus's submission is much less educational: he's kissing up to me by telling us that Sarcasta's latest update is in depth study on Carpal Tunnel Syndrome. If you need some images to enlighten and amuse, B.D.Mills noted that stinky meat is back if you didn't get enough the first time, Ant sent us the correct use for the new mac cubes, and danfairs sent us a picture of... well, a fire extinguisher. table and chair pointed us to Political Arena, a Quake 3 modwhere you blow up the political candidates (is this treason once one of them gets elected?) If blowing up Bush isn't enough stress reduction for you, einstein has shown us how best to customize your case and void your warrenty in one swing. Of an axe. Kartoffel wrote a CueCat interface for BeOS as well as a Mr T vs. CueCat Comic Strip. Even more offensive then another Mr T vs. episode is a comic featuring Admiral Ackbar debating Napster sent in by georgeha. Last of all, if you didn't know, Spinal Tap is back out in limited release. God what a great flick. Just figured I'd mention it ...

PD writes "This page describes some actually existing molecules with strange and unfortunate names. " Don't miss the "molecules you should be aware of" at the bottom of the page. You'll need a class in organic chemistry to get the jokes, though.