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Single Pixel Camera Takes Images Through Breast Tissue

Slashdot - 36 min 3 sec fa
KentuckyFC writes Single pixel cameras are currently turning photography on its head. They work by recording lots of exposures of a scene through a randomising media such as frosted glass. Although seemingly random, these exposures are correlated because the light all comes from the same scene. So its possible to number crunch the image data looking for this correlation and then use it to reassemble the original image. Physicists have been using this technique, called ghost imaging, for several years to make high resolution images, 3D photos and even 3D movies. Now one group has replaced the randomising medium with breast tissue from a chicken. They've then used the single pixel technique to take clear pictures of an object hidden inside the breast tissue. The potential for medical imaging is clear. Curiously, this technique has a long history dating back to the 19th century when Victorian doctors would look for testicular cancer by holding a candle behind the scrotum and looking for suspicious shadows. The new technique should be more comfortable.

Read more of this story at Slashdot.








Ask Slashdot: Objective C Vs. Swift For a New iOS Developer?

Slashdot - 1 ora 39 min fa
RegularDave writes: I'm a recent grad from a master's program in a potentially worthless social science field, and I've considered getting into iOS development. Several of my friends who were in similar situations after grad school have done so and are making a healthy living getting contract work. Although they had CS and Physics degrees going into iOS, neither had worked in objective C and both essentially went through a crash courses (either self-taught or through intensive classes) in order to get their first gigs. I have two questions. First, am I an idiot for thinking I can teach myself either objective C or Swift on my own without any academic CS background (I've tinkered in HTML, CSS, and C classes online with some success)? Second, if I'm not an idiot for attempting to learn either language, which should I concentrate on?

Read more of this story at Slashdot.








France Wants To Get Rid of Diesel Fuel

Slashdot - Ven, 28/11/2014 - 23:17
mrspoonsi sends this Reuters report: France wants to gradually phase out the use of diesel fuel for private passenger transport and will put in place a system to identify the most polluting vehicles, Prime Minister Manuel Valls said on Friday. Next year, the government will launch a car identification system that will rank vehicles by the amount of pollution they emit, Valls said in a speech. This will make it possible for local authorities to limit city access for the dirtiest cars. "In France, we have long favoured the diesel engine. This was a mistake, and we will progressively undo that, intelligently and pragmatically," Valls said. About 80 percent of French motorists drive diesel-powered cars. Valls said taxation would have to orient citizens towards more ecological choices, notably the 2015 state budget measures to reduce the tax advantage of diesel fuel versus gas.

Read more of this story at Slashdot.








Shale: Good For Gas, Oil...and Nuclear Waste Disposal?

Slashdot - Ven, 28/11/2014 - 22:15
Lasrick writes: Chris Neuzil is a senior scientist with the National Research Program of the U.S. Geological Survey. He thinks the qualities of shale make it the perfect rock in which to safely and permanently house high-level nuclear waste. Given the recent discovery that water is much more of an issue than originally thought for the tough rock at Yucca Mountain nuclear waste repository in Utah, the unique qualities of shale, along with its ubiquitous presence in the U.S., could make shale rock a better choice for the 70,000 metric tons of commercial spent fuel currently sitting above ground at nuclear power facilities throughout the country. France, Switzerland, and Belgium are all considering repositories in shale, but it hasn't been studied much in the U.S. "Shale is the only rock type likely to house high-level nuclear waste in other countries that has never been seriously considered by the U.S. high-level waste program. The uncertain future of Yucca Mountain places plans for spent nuclear fuel in the United States at a crossroads. It is an opportunity to include shale in a truly comprehensive examination of disposal options."

Read more of this story at Slashdot.








Debian Forked Over Systemd

Slashdot - Ven, 28/11/2014 - 21:18
jaromil writes: The so called "Veteran Unix Admin" collective has announced that the fork of Debian will proceed as a result of the recent systemd controversy. The reasons put forward are not just technical; included is a letter of endorsement by Debian Developer Roger Leigh mentioning that "people rely on Debian for their jobs and businesses, their research and their hobbies. It's not a playground for such radical experimentation." The fork is called "Devuan," pronounced "DevOne." The official website has more information.

Read more of this story at Slashdot.








Intel Core M Notebooks Arrive, Lenovo Yoga 3 Pro Tested

Slashdot - Ven, 28/11/2014 - 20:20
MojoKid writes: Intel's 14nm Core M Broadwell architecture was announced a few months ago but to date, 2-in-1 hybrid devices and laptops have only trickled out to the market. Lenovo recently took the wraps off their Yoga 3 Pro 13-inch ultralight notebook and it's one of the few devices on the market right now that offers a glimpse of what Intel's Core M processor is capable of in performance and battery life testing. The 4.5 Watt TDP Core M 5Y70 actually keeps pace with 15-Watt previous generation Core i5 mobile chips in testing, but with significantly better battery life. It also enables very thin and light designs like the 2.6 pound Yoga 3 Pro, which is an interesting machine. Its watchband hinge allows it to contort into various positions for tablet, tent, stand and standard modes. The hinge is a "you love it or hate it" kind of thing, but does come with a 3200x1800 IPS display.

Read more of this story at Slashdot.








First Star War Episode 7 Trailer Released

Slashdot - Ven, 28/11/2014 - 19:15
Midnight Thunder writes: The first trailer for Star Wars Episode VII: The Force Awakens has been released. (YouTube link.) This is the first real opportunity to get a feeling for whether childhood dreams will be crushed or Disney, with the help of JJ Abrams, will be able to breath new life into the story without making it feel like a merchandising excuse.

Read more of this story at Slashdot.








The Web Is Getting Slower, At Least in How We All Experience It

Wired - Ven, 28/11/2014 - 18:37

One thing you can always rely on technology to do is speed things up. Everything, from processors to phones to networks gets faster. Heck, there are actual laws that define this phenomenon. So when at a recent Akamai analyst event a speaker made the offhand comment that the Web is getting slower, it pretty much […]

The post The Web Is Getting Slower, At Least in How We All Experience It appeared first on WIRED.








Why Young Engineers Are Missing Out

Wired - Ven, 28/11/2014 - 18:35

In the early 2000s, when the dot-com boom was going bust, there was a corny joke doing the rounds: The new definitions of B2B and B2C were “Back to Banking” and “Back to Consulting.” Thousands of young professionals who had fled the safe confines of Wall Street and the Big 6 in pursuit of Silicon […]

The post Why Young Engineers Are Missing Out appeared first on WIRED.








Philae May Have Grazed Crater Rim

Slashdot - Ven, 28/11/2014 - 18:12
An anonymous reader writes: The European Space Agency is gradually sorting through the data collected during the brief window Philae was alive and transmitting on the surface of a comet. Analysis of that data has provided another interesting clue about what happened to the probe as it bounced across the comet's surface. According to results from the on-board magnetometer, immediately after the first touchdown, the lander's spin rate increased somewhat. It continued to spin for about 36 minutes until another event dramatically changed its spin rate. This suggests it collided with something, because there was no corresponding vertical deceleration to indicate it had landed once more. Scientists think Philae likely grazed the rim of a crater with one of its landing legs. 65 minutes later, it landed again, and bounced to its final resting place just a few minutes later. The ESA's article has some interesting graphs showing how the data changed as the lander progressed through these different events.

Read more of this story at Slashdot.








Finally, Here’s the First Star Wars: The Force Awakens Trailer

Wired - Ven, 28/11/2014 - 18:06

It's not much—in fact, it might feel like the shortest 88 seconds of your life—but the first trailer for director J.J. Abrams' Star Wars: The Force Awakens is finally here, and they weren't kidding when they called it a "teaser."

The post Finally, Here’s the First Star Wars: The Force Awakens Trailer appeared first on WIRED.








2014 Physics Gift Guide

Wired - Ven, 28/11/2014 - 17:30

Need some ideas for a physics-based gift? Here are some suggestions.

The post 2014 Physics Gift Guide appeared first on WIRED.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








Security Experts Believe the Internet of Things Will Be Used To Kill Someone

Slashdot - Ven, 28/11/2014 - 17:10
dcblogs writes: Imagine a fleet of quad copters or drones equipped with explosives and controlled by terrorists. Or someone who hacks into a connected insulin pump and changes the settings in a lethal way. Or maybe the hacker who accesses a building's furnace and thermostat controls and runs the furnace full bore until a fire is started. Those may all sound like plot material for a James Bond movie, but there are security experts who now believe, as does Jeff Williams, CTO of Contrast Security, that "the Internet of Things will kill someone". Today, there is a new "rush to connect things" and "it is leading to very sloppy engineering from a security perspective," said Williams. Similarly, Rashmi Knowles, chief security architect at RSA, imagines criminals hacking into medical devices, recently blogged about hackers using pacemakers to blackmail users, and asked: "Question is, when is the first murder?"

Read more of this story at Slashdot.








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