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Australian Physicists Build Reversible Tractor Beam

Soulskill posted 3 hours ago | from the take-that-wesley dept.

Science 14

An anonymous reader writes: Physicists at Australian National University have developed a tiny tractor beam that improves in several ways upon previous attempts. First, it operates on scales which, while still tiny, are higher than in earlier experiments. The beam can move particles up to 200 microns in diameter, and it can do so over a distance of 20 cm. "Unlike previous techniques, which used photon momentum to impart motion, the ANU tractor beam relies on the energy of the laser heating up the particles and the air around them (abstract). The ANU team demonstrated the effect on gold-coated hollow glass particles. The particles are trapped in the dark center of the beam. Energy from the laser hits the particle and travels across its surface, where it is absorbed creating hotspots on the surface. Air particles colliding with the hotspots heat up and shoot away from the surface, which causes the particle to recoil, in the opposite direction. To manipulate the particle, the team move the position of the hotspot by carefully controlling the polarization of the laser beam."

Security Company Tries To Hide Flaws By Threatening Infringement Suit

Soulskill posted 6 hours ago | from the because-that-always-ends-well dept.

Encryption 51

An anonymous reader writes: An RFID-based access control system called IClass is used across the globe to provide physical access controls. This system relies on cryptography to secure communications between a tag and a reader. Since 2010, several academic papers have been released which expose the cryptographic insecurity of the IClass system. Based on these papers, Martin Holst Swende implemented the IClass ciphers in a software library, which he released under the GNU General Public License.

The library is useful to experiment with and determine the security level of an access control system (that you own or have explicit consent to study). However, last Friday, Swende received an email from INSIDE Secure, which notified him of (potential) intellectual property infringement, warning him off distributing the library under threat of "infringement action." Interestingly, it seems this is not the first time HID Global has exerted legal pressure to suppress information.

32 Cities Want To Challenge Big Telecom, Build Their Own Gigabit Networks

Soulskill posted 8 hours ago | from the they-just-want-to-be-able-to-throttle-netflix dept.

The Internet 81

Jason Koebler writes: More than two dozen cities in 19 states announced today that they're sick of big telecom skipping them over for internet infrastructure upgrades and would like to build gigabit fiber networks themselves and help other cities follow their lead. The Next Century Cities coalition, which includes a couple cities that already have gigabit fiber internet for their residents, was devised to help communities who want to build their own broadband networks navigate logistical and legal challenges to doing so.

China Staging a Nationwide Attack On iCloud and Microsoft Accounts

Soulskill posted 12 hours ago | from the secure-browsing-advised dept.

China 83

New submitter DemonOnIce writes: According to The Verge and an original report from the site that monitor's China's Great Firewall activity, China is conducting a large-scale attack on iCloud and Microsoft accounts using its government firewall software. Chinese users may be facing an unpleasant surprise as they are directed to a dummy site designed to look like an Apple login page (or a Microsoft one, as appropriate).

GNU Emacs 24.4 Released Today

timothy posted 12 hours ago | from the please-have-more-than-8-megs-of-RAM dept.

Software 107

New submitter Shade writes Well over one and a half years in the works, the latest and greatest release of GNU Emacs was made officially available today. Highlights of this release include a built-in web browser, improved multi-monitor and fullscreen support, "electric" indentation enabled by default, support for saving and restoring the state of frames and windows, pixel-based resizing for frames and windows, support for digitally signed ELisp packages, support for menus in text terminals, and much more. Read the official announcement and the full list of changes for more information.

More Eye Candy Coming To Windows 10

timothy posted 13 hours ago | from the sincere-flattery dept.

Operating Systems 167

jones_supa writes Microsoft is expected to release a new build of the Windows 10 Technical Preview in the very near future, according to their own words. The only build so far to be released to the public is 9841 but the next iteration will likely be in the 9860 class of releases. With this new build, Microsoft has polished up the animations that give the OS a more comprehensive feel. When you open a new window, it flies out on to the screen from the icon and when you minimize it, it collapses back in to the icon on the taskbar. It is a slick animation and if you have used OS X, it is similar to the one used to collapse windows back in to the dock. Bah.

Help ESR Stamp Out CVS and SVN In Our Lifetime

timothy posted yesterday | from the for-the-child-processes dept.

Open Source 186

mtaht writes ESR is collecting specifications and donations towards getting a new high end machine to be used for massive CVS and SVN repository conversions, after encountering problems with converting the whole of netbsd over to git. What he's doing now sort of reminds me of holding a bake sale to build a bomber, but he's well on his way towards Xeon class or higher for the work. What else can be done to speed up adoption of git and preserve all the computer history kept in source code repositories? ESR says he'll match funds toward the purchase of the needed hardware, so if you want to help drive him into bankruptcy, now's your chance.

Debian's Systemd Adoption Inspires Threat of Fork

timothy posted yesterday | from the tine-to-weigh-priorities dept.

Debian 386

New submitter Tsolias writes It appears that systemd is still a hot topic in the Debian community. As seen earlier today, there is a new movement shaping up against the adoption of systemd for the upcoming stable release [of Debian], Jessie. They claim that "systemd betrays the UNIX philosophy"; it makes things more complex, thus breaking the "do one thing and do it well" principle. Note that the linked Debian Fork page specifically says that the anonymous developers behind it support a proposal to preserve options in init systems, rather than demanding the removal of systemd, and are not opposed to change per se. They just don't want other parts of the system to be wholly dependent on systemd. "We contemplate adopting more recent alternatives to sysvinit, but not those undermining the basic design principles of "do one thing and do it well" with a complex collection of dozens of tightly coupled binaries and opaque logs."

'Endrun' Networks: Help In Danger Zones

timothy posted yesterday | from the pinging-mr-bourne-mr-jason-bourne dept.

Encryption 27

kierny writes Drawing on networking protocols designed to support NASA's interplanetary missions, two information security researchers have created a networking system that's designed to transmit information securely and reliably in even the worst conditions. Dubbed Endrun, and debuted at Black Hat Europe, its creators hope the delay-tolerant and disruption-tolerant system — which runs on Raspberry Pi — could be deployed everywhere from Ebola hot zones in Liberia, to war zones in Syria, to demonstrations in Ferguson.

Barometers In iPhones Mean More Crowdsourcing In Weather Forecasts

timothy posted yesterday | from the under-pressure dept.

Cellphones 77

cryptoz (878581) writes Apple is now adding barometers to its mobile devices: both new iPhones have valuable atmospheric pressure sensors being used for HealthKit (step counting). Since many Android devices have been carrying barometers for years, scientists like Cliff Mass have been using the sensor data to improve weather forecasts. Open source data collection projects like PressureNet on Android automatically collect and send the atmospheric sensor data to researchers.

Google Changes 'To Fight Piracy' By Highlighting Legal Sites

timothy posted yesterday | from the sponsored-links-you-might-also-enjoy dept.

Piracy 144

mrspoonsi writes Google has announced changes to its search engine in an attempt to curb online piracy. The company has long been criticised for enabling people to find sites to download entertainment illegally. The entertainment industry has argued that illegal sites should be "demoted" in search results. The new measures, mostly welcomed by music trade group the BPI, will instead point users towards legal alternatives such as Spotify and Google Play. Google will now list these legal services in a box at the top of the search results, as well as in a box on the right-hand side of the page. Crucially, however, these will be adverts — meaning if legal sites want to appear there, they will need to pay Google for the placement.

Ubuntu Turns 10

timothy posted yesterday | from the ten-years-is-a-long-time dept.

Debian 102

Scott James Remnant, now Technical Lead on ChromeOS, was a Debian developer before that. That's how he became involved from the beginning (becoming Developer Manager, and then serving on the Technical Board) on the little derivative distribution that Mark Shuttleworth decided to make of Debian Unstable, and for which the name Ubuntu was eventually chosen. On this date in 2004, Ubuntu 4.10 -- aka Warty Warthog, or just Warty -- was released, and Remnant has shared a detailed, nostalgic look back at the early days of the project that has (whatever else you think of it ) become one of the most influential in the world of open source and Free software. I was excited that Canonical sent out disks that I could pass around to friends and family that looked acceptably polished to them in a way that Sharpie-marked Knoppix CD-ROMs didn't, and that the polish extended to the installer, the desktop, and the included constellation of software, too.

The Largest Ship In the World Is Being Built In Korea

timothy posted yesterday | from the and-vice-versa dept.

Transportation 250

HughPickens.com writes Alastair Philip Wiper writes that at 194 feet wide and 1,312 feet long, the Matz Maersk Triple E is the largest ship ever built, capable of carrying 18,000 20-foot containers. Its propellers weigh 70 tons apiece and it is too big for the Panama Canal, though it can shimmy through the Suez. A U-shaped hull design allows more room below deck, providing capacity for 18,000 shipping containers arranged in 23 rows – enough space to transport 864 million bananas. The Triple-E is constructed from 425 pre-fabricated segments, making up 21 giant "megablock" cross sections. Most of the 955,250 liters of paint used on each ship is in the form of an anti- corrosive epoxy, pre-applied to each block. Finally, a polyurethane topcoat of the proprietary Maersk brand color "Hardtop AS-Blue 504" is sprayed on.

Twenty Triple-E class container ships have been commissioned by Danish shipping company Maersk Lines for delivery by 2015. The ships are being built at the Daewoo Shipbuilding and Marine Engineering factory in the South Korean port of Opko. The shipyard, about an hour from Busan in the south of the country, employs about 46,000 people, and "could reasonably be described as the worlds biggest Legoland," writes Wiper. "Smiling workers cycle around the huge shipyard as massive, abstractly over proportioned chunks of ships are craned around and set into place." The Triple E is just one small part of the output of the shipyard, as around 100 other vessels including oil rigs are in various stages of completion at the any time." The vessels will serve ports along the northern-Europe-to-Asia route, many of which have had to expand to cope with the ships' size. "You don't feel like you're inside a boat, it's more like a cathedral," Wiper says. "Imagine this space being full of consumer goods, and think about how many there are on just one ship. Then think about how many are sailing round the world every day. It's like trying to think about infinity."

Ask Slashdot: LTE Hotspot As Sole Cellular Connection?

timothy posted yesterday | from the points-of-contact dept.

Network 100

New submitter iamacat writes I am thinking of canceling my regular voice plan and using an LTE hotspot for all my voice and data needs. One big draw is ability to easily use multiple devices without expensive additional lines or constantly swapping SIMs. So I can have an ultra compact Android phone and an iPod touch and operate whichever has the apps I feel like using. Or, if I anticipate needing more screen real estate, I can bring only a Nexus 7 or a laptop and still be able to make and receive VoIP calls. When I am home or at work, I would be within range of regular WiFi and not need to eat into the data plan or battery life of the hotspot.

Has anyone done something similar? Did the setup work well? Which devices and VoIP services did you end up using? How about software for automatic WiFi handoffs between the hotspot and regular home/work networks?

If You're Connected, Apple Collects Your Data

timothy posted yesterday | from the so-they-can-notify-next-of-kin dept.

OS X 303

fyngyrz (762201) writes It would seem that no matter how you configure Yosemite, Apple is listening. Keeping in mind that this is only what's been discovered so far, and given what's known to be going on, it's not unthinkable that more is as well. Should users just sit back and accept this as the new normal? It will be interesting to see if these discoveries result in an outcry, or not. Is it worse than the data collection recently reported in a test version of Windows?

In UK, Internet Trolls Could Face Two Years In Jail

timothy posted yesterday | from the don't-worry-he's-trolling dept.

United Kingdom 473

An anonymous reader writes with this news from The Guardian about a proposed change in UK law that would greatly increase the penalties for online incivility: Internet trolls who spread "venom" on social media could be jailed for up to two years, the justice secretary Chris Grayling has said as he announced plans to quadruple the maximum prison sentence. Grayling, who spoke of a "baying cybermob", said the changes will allow magistrates to pass on the most serious cases to crown courts. The changes, which will be introduced as amendments to the criminal justice and courts bill, will mean the maximum custodial sentence of six months will be increased to 24 months. Grayling told the Mail on Sunday: "These internet trolls are cowards who are poisoning our national life. No one would permit such venom in person, so there should be no place for it on social media. That is why we are determined to quadruple the six-month sentence.

Gigabit Cellular Networks Could Happen, With 24GHz Spectrum

timothy posted yesterday | from the who-needs-a-cord dept.

Networking 50

An anonymous reader writes A Notice of Inquiry was issued by the Federal Communications Commission (FCC) on Friday that focuses research on higher frequencies for sending gigabit streams of mobile data. The inquiry specifically states that its purpose is to determine "what frequency bands above 24 GHz would be most suitable for mobile services, and to begin developing a record on mobile service rules and a licensing framework for mobile services in those bands". Cellular networks currently use frequencies between 600 MHz to 3 GHz with the most desirable frequencies under 1 GHz being owned by AT&T and Verizon Wireless. The FCC feels, however, that new technology indicates the potential for utilizing higher frequency ranges not necessarily as a replacement but as the implementation necessary to finally usher in 5G wireless technology. The FCC anticipates the advent of 5G commercial offerings within six years.

NASA Cancels "Sunjammer" Solar Sail Demonstration Mission

timothy posted 2 days ago | from the only-tax-dollars dept.

NASA 71

An anonymous reader writes "Space News reports that NASA has cancelled its solar sail demonstration mission (also known as Sunjammer) citing "a lack of confidence in its contractor's ability to deliver." "Company president Nathan] Barnes said that in 2011 he reached out to several NASA centers and companies that he believed could build the spacecraft and leave L'Garde free to focus on the solar sail. None of those he approached — he only identified NASA's Jet Propulsion Laboratory in Pasadena, California — took him up on the offer. Rather than give up on the opportunity to land a NASA contract, L'Garde decided to bring the spacecraft development in house. It did not work out, and as of Oct. 17, the company had taken delivery of about $2 million worth of spacecraft hardware including a hydrazine tank from ATK Space Systems of Commerce, California, and four mono-propellant thrusters from Aerojet Rocketdyne of Sacramento, California."

Ask Slashdot: Good Hosting Service For a Parody Site?

timothy posted 2 days ago | from the just-keep-backups dept.

The Internet 113

An anonymous reader writes "Ok, bear with me now. I know this is not PC Mag 2014 review of hosting services. I am thinking of getting a parody website up. I am mildly concerned about potential reaction of the parodee, who has been known to be a little heavy handed when it comes to things like that. In short, I want to make sure that the hosting company won't flake out just because of potential complaints. I checked some companies and their TOS and AUPs all seem to have weird-ass restrictions (Arvixe, for example, has a list of unacceptable material that happens to list RPGs and MUDS ). I live in U.S.; parodee in Poland. What would you recommend?"

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