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Slashdot: Hardware

NewEgg Confirms Shipping Fake Core i7s

adeelarshad82 writes "After originally rejecting the story, online retailer NewEgg confirmed that a shipment of Core i7s were indeed fake, and apologized for the affair. NewEgg has also broken off its relationship with IPEX, the supplier of the phony lot. The retailer said that it has already contacted affected customers and would continue to reach out and replace the counterfeit parts. We discussed the fake Core i7s over the weekend."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/-rqh7H43Og4/NewEgg-Confirms-Shipping-Fake-Core-i7s

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Nokia Targets Mobile Kinetic Energy Charging

justice4all writes "Nokia has filed a US patent for a phone charger that harvests kinetic energy. The technology has been used in laptops, PDAs, and GPS receivers, according to Nokia. Essentially, the mobile devices would be powered in part through the movements of their owners."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/_f5elZDxGno/Nokia-Targets-Mobile-Kinetic-Energy-Charging

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50% Efficiency Boost From New Fuel Injection System

chudnall notes a Technology Review story on a new gas engine injection system that promises increased efficiency of up to 50%. "The key is heating and pressurizing gasoline before injecting it into the combustion chamber, says Mike Rocke, Transonic's vice president of business development. This puts it into a supercritical state that allows for very fast and clean combustion, which in turn decreases the amount of fuel needed to propel a vehicle. The company also treats the gasoline with a catalyst that 'activates' it, partially oxidizing it to enhance combustion."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/H84x-MFNF8Y/50-Efficiency-Boost-From-New-Fuel-Injection-System

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Making Sense of CPU and GPU Model Numbers?

b4dc0d3r writes "How do you make sense of the various model numbers or naming schemes for CPUs, graphics cards, and the related chipsets? All I want is something that will run Oblivion and output full 1080 video to a TV. Last time I built my own computer I just went to Pricewatch, made a few easy choices, and everything came to my door. Do I really have to research the differences among Core i5, Core 2 Duo, Pentium 4, Pentium D, Sempron, Athlon, Phenom ...? And that's just the processor. Is there a reference somewhere? In short, how do you buy a computer these days?"

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/viCjkn9orj0/Making-Sense-of-CPU-and-GPU-Model-Numbers

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Gas Wants To Kill the Wind

RABarnes writes "Scientific American has posted an article about the political efforts of natural gas and electric utilities to limit the growth of wind-generated electricity. Although several of the points raised by the utilities and carbon-based generators are valid, the basic driver behind their efforts is that wind-generation has now successfully penetrated the wholesale electricity market. Wind was okay until it became a meaningful competitor to the carbon dioxide-producing entities. Among the valid points raised by the carbon-based generators are concerns about how the cost of electricity transmission are allocated and how power quality can be improved (wind generation — from individual sites — is hopelessly variable). But there are fixes for all of the concerns raised by the carbon-based entities and in almost all cases they have been on the other side of the question in the past."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/ho3X_gPKFLQ/Gas-Wants-To-Kill-the-Wind

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8-Core Intel Nehalem-EX To Launch This Month

MojoKid writes "What could you do with 8 physical cores of CPU processing power? Intel's upcoming 8-core Nehalem-EX is launching later this month, according to Intel Xeon Platform Director Shannon Poulin. The announcement puts to rest rumors that the 8-core part might be delayed, and makes good on a promise Intel made last year when the chip maker said it would release the chip in the first half of 2010. To quickly recap, Nehalem-EX boasts an extensive feature-set, including up to 8 cores per processor, up to 16 threads per processor with Intel Hyper-threading, scalability up to eight sockets via Intel's serial Quick Path Interconnect and more with third-party node controllers, and 24MB of shared cache."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/kQyV3x7Q-BE/8-Core-Intel-Nehalem-EX-To-Launch-This-Month

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MIT Produces Electricity Using Thermopower Waves

MikeChino writes "MIT scientists have discovered a never-before-known phenomenon wherein carbon nanotubes can be used to harness energy from 'thermopower waves.' To do this they coated the nanotubes with a reactive fuel and then lit one end, causing a fast-moving thermal wave to speed down the length of the tube. The heat from the fuel rises to a temperature of 3,000 kelvins, and can speed along the tube 10,000 times faster than the normal spread of this chemical reaction. The heat also pushes electrons down the tube, which creates a substantial electrical current. The system can output energy (in proportion to its weight) about 100x greater than an equivalent weight lithium-ion battery, and according to MIT the discovery 'opens up a new area of energy research, which is rare.'"

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/mxOUPFwJ7WY/MIT-Produces-Electricity-Using-Thermopower-Waves

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When the Power Goes Out At Google

1sockchuck writes "What happens when the power goes out in one of Google's mighty data centers? The company has issued an incident report on a Feb. 24 outage for Google App Engine, which went offline when an entire data center lost power. The post-mortem outlines what went wrong and why, lessons learned and steps taken, which include additional training and documentation for staff and new datastore configurations for App Engine. Google is earning strong reviews for its openness, which is being hailed as an excellent model for industry outage reports. At the other end of the spectrum is Australian host Datacom, where executives are denying that a Melbourne data center experienced water damage during weekend flooding, forcing tech media to document the outage via photos, user stories and emails from the NOC."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/rEp9DiTIzP4/When-the-Power-Goes-Out-At-Google

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Pixel Qi Introduces a DIY Kit

jones_supa writes "Pixel Qi has just revealed their DIY kit for netbooks, planned to be out near the end of Q2 — sounds like June. This makes it possible to retrofit a screen to one fully readable in direct sunlight. In her blog, Mary Lou Jepsen says: 'It’s only slightly more difficult than changing a lightbulb: it’s basically 6 screws, pulling off a bezel, unconnecting the old screen and plugging this one in. That’s it. It’s a 5 minute operation.' She also talks about the 'laptop hospital,' a service depot started by kids in Africa."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/DlnQ1fRLqO4/Pixel-Qi-Introduces-a-DIY-Kit

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Correcting Poor Typing Technique?

An anonymous reader writes "When beginning to use keyboards I did not pay much attention to touch typing technique. Instead, I eventually achieved decent rates by simply doing what felt natural to me. These days my qwerty typing speed is in the range of 90-110 WPM, probably more toward the lower end. While this isn't too shabby, I feel some awkwardness in my technique (such as not using my little and ring fingers when I really should). Has anyone been in a similar situation, wanted to fix it, and actually done so? What do you reckon is the best way to fix half-broken typing? Touch training sessions? Should I switch to Dvorak and pretty much learn typing from scratch, but properly this time?"

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/1YNYd_c16nI/Correcting-Poor-Typing-Technique

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Some Newegg Customers Received Fake Intel Core i7s

Several readers have mentioned the strange goods that some customers received from Newegg in place of the Intel Core i7 920 processor they ordered. Word on the problem first surfaced on TribalWar on Thursday evening. Newegg still hasn't commented on this. It's not known whether it happened as a result fraud by another Newegg customer, in shipping, or where. The "processors" are made of aluminum, and the "fans" are some kind of synthetic molded material. The "factory seal" was printed onto the box; the holographic stickers on the boxes were also faked. The first part of this video shows the bogus goods. At this writing Google News lists a handful of blogs mentioning the fakes.

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/sAVHKbhlqdg/Some-Newegg-Customers-Received-Fake-Intel-Core-i7s

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Wear Leveling, RAID Can Wipe Out SSD Advantage

storagedude writes "This article discusses using solid state disks in enterprise storage networks. A couple of problems noted by the author: wear leveling can eat up most of a drive's bandwidth and make write performance no faster than a hard drive, and using SSDs with RAID controllers brings up its own set of problems. 'Even the highest-performance RAID controllers today cannot support the IOPS of just three of the fastest SSDs. I am not talking about a disk tray; I am talking about the whole RAID controller. If you want full performance of expensive SSDs, you need to take your $50,000 or $100,000 RAID controller and not overpopulate it with too many drives. In fact, most vendors today have between 16 and 60 drives in a disk tray and you cannot even populate a whole tray. Add to this that some RAID vendor's disk trays are only designed for the performance of disk drives and you might find that you need a disk tray per SSD drive at a huge cost.'"

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/e6y2gkGWtKI/Wear-Leveling-RAID-Can-Wipe-Out-SSD-Advantage

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Could the Tumbleweed Rover Dominate Mars?

astroengine writes "Mars has been visited by orbiters, landers and rovers, but could the future of Martian exploration be inspired by a wind-blown sphere? NASA and other research institutions have been developing the Mars Tumbleweed rover for the last decade, but with the help of the Planetary Science Institute, the Tumbleweed is now vying for some serious funding to further develop the technologies required. Although the Tumbleweed would be wholly dependent on the prevailing winds on the Martian surface, the lightweight and relatively cheap design could lead the way for a 'swarm' of independent Tumbleweeds to explore vast regions of the planet (video link). In 2003 and 2004, NASA even tested an inflatable Tumbleweed prototype on Greenland and Antarctica — it traversed hundreds of miles with ease, continually relaying location and environmental data."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/DJaQJgIPdbo/Could-the-Tumbleweed-Rover-Dominate-Mars

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Law Prevents British Websites From Being Archived

Lanxon writes "The law that allows the US Internet Archive to collect and preserve websites does not apply to British archivists. In fact, experts from the Archive and many other archivist institutions argue that the only way the millions of Britain's websites could be legally archived is if British law itself was amended, reports Wired in an investigation published today. Currently, archivists have to seek permission from webmasters of every single site before they are able to take snapshots and retain data."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/cYLVCQCFeHY/Law-Prevents-British-Websites-From-Being-Archived

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Bluetooth 4.0 Devices To Make the Scene Later This Year

Engadget is reporting that new Bluetooth 4.0 devices could be hitting the scene later this year, and it looks like Bluetooth low energy has been added to the spec. "But don't expect any dramatic changes in battery life for most of your gadgets: while the low energy spec introduces connectivity to a host of lower-power devices that have in the past relied on proprietary technology (such as watches, pedometers, and cats), your traditional Bluetooth devices, such as phones and laptops, will consume roughly the same amount of power. Indeed, the low energy spec is merely throwing smaller devices (with smaller amounts of data to transfer) in to the mix: if you want Trans-Siberian Orchestra to sound as glorious as ever on your wireless headphones, you'll need to push as much data (and hence draw as much power) with version 4 as you would with version 3."

Read more of this story at Slashdot.

http://rss.slashdot.org/~r/Slashdot/slashdotHardware/~3/OAdAx7ZnviY/Bluetooth-40-Devices-To-Make-the-Scene-Later-This-Year

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