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IBM Roadrunner Tops Cray as the Official World's Fastest Supercomputer

IBM Roadrunner Tops Cray as the Official World's Fastest Supercomputer

It's like a geek soap opera. Just last week, Cray bragged that their updated Jaguar XT supercomputer was the world's fastest. Now this week, IBM responds to the trash talk with a number one ranking of their Roadrunner system on the newly published Top500 supercomputing list. Both the IBM and

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MSI's X-Slim X340, X600 Are Two More Sub-$1000 Macbook Air Lookalikes

MSI's X-Slim X340, X600 Are Two More Sub-$1000 Macbook Air Lookalikes

We don't know much about MSI's X-Slim netbook line being touted in China, but from the looks of it, these machines are winners: super-slim form factors, light-weight, 13.4 or 15.6-inch screens, and low cost. Thus far the X-Slims have only been unveiled in China, and details, such as the processor a

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Atmel maxTouch Technology Used in the Samsung Galaxy Tab

Atmel maxTouch Technology Used in the Samsung Galaxy Tab

[youtube]http://www.youtube.com/watch?v=8weBw6M9HHY&feature=player_embedded[/youtube] It’s been announced that Samsung’s chosen Atmel’s maxTouch display technology for use in their Samsung Galaxy Tab – something they also did with their Samsung Galaxy S phones. HTC also decided to go

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Nvidia GeForce 200M Graphics Cards Just Made Your Notebook Old and Busted

Nvidia GeForce 200M Graphics Cards Just Made Your Notebook Old and Busted

A year after Nvidia's monstrous GeForce 200 series graphics cards first stomped onto the scene (literally the biggest GPUs ever), Nvidia's finished making them mobile, delivering double the performance of current 9M series using half the power. The first GeForce 200M notebook cards—the GTX 280M a

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Super Talent Releases Mini PCIe SSDs Specifically For ASUS Eee PCs

Super Talent Releases Mini PCIe SSDs Specifically For ASUS Eee PCs

Super Talent launched a special series of mini PCIe SSDs for the ASUS Eee PC in 16, 32 and 64 GB sizes, meant to complement the 20 GB HDD found in some of the higher end models. The drives read at 40 mbps, write at 10 mbps and come in NAND MLC or NAND SLC configurations. The drives are expected

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Cheers To Finger Power!

Cheers To Finger Power!

Mind you, this is not a “Green” concept and neither does it claim to be “Eco Friendly”. It’s just a helpful solution for a tricky situation. The situation being: you running out of juice on your mobile phone. So what do you do? Remove the battery from the back of the phone; give it

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JavaFX Preview SDK to be released this week

JavaFX Preview SDK to be released this week

Sun will release a preview version of the JavaFX Software Development Kit later this week, fulfilling a pledge made at JavaOne this year. Joshua Marinacci writes: I’m excited by what we’ve put together but also exhausted. We’ve done an incredible amount of work during the last year. Now I kno

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Thirsty ethanol? An insider's view.

An exec from an energy company has repliedc to my earlier blog on a study of ethanol production and its water requirements. Here are some comments from Growth Energy’s CEO, Tom Buis. “America’s ethanol producers recognize that water is a precious natural resource that must be conserved. Throu

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HKC Pearl is the Ultimate Knockoff Phone (It Runs Android!)

HKC Pearl is the Ultimate Knockoff Phone (It Runs Android!)

You have to respect any phone that takes its brand name and styling cues from HTC, model name from RIM and then throws Android on it. Because that's exactly what the HKC Pearl did. Ok, maybe its not the ultimate knockoff when you look at the tech specs, but the phone actually isn't too shabby,

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$35 Dollar Tablet Will Cost $20, Eventually $10

$35 Dollar Tablet Will Cost $20, Eventually $10

The Indian government has revealed its super-super-low-priced tablet computer, which it says it'll start selling to students this year—for $35. It's a bit bulky, but for $35 you can't really whine about the bezel size. Indian authorities expect to be able to make and sell the chunky comput

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Nanowires Convert Rat’s Heartbeat Into Usable Electricity

Nanowires Convert Rat's Heartbeat Into  Usable Electricity

Nanowires inside a rat can convert the power of breathing and heartbeats into electricity, according to researchers at the Georgia Institute of Technology. Technology Review reports these nano-generators could conceivably lead to nano-scale implants and powered by the body.

The same GIT team proved five years ago that zinc oxide nanowires could produce electricity from a running hamster, for instance, or from tapping fingers. The wires produce electricity when under mechanical stress, called the piezoelectric effect. But now, it’s been proven to work inside a living animal.

Zhong Lin Wang, a materials science and engineering professor at Georgia Tech, led the team that attached the nano-generator to a rat’s diaphragm.

Researchers put a zinc oxide nanowire onto a flexible polymer and encapsulated it into a polymer casing to protect it from bodily fluids, Tech Review reports. When attached to the rat’s diaphragm, the animal’s breathing stretched the nanowire, and it generated a tiny amount of electricity — about four pico-amps of current at two millivolts. When it was attached to the rat’s heart, the nano-generator produced about 30 pico-amps at about three millivolts.

The rat generator operates at the femtowatt scale — a pico-amp is a million millionth of an amp, so it is a tiny amount of current — so not very much power. But the technology has potential to power nano-sized devices, Wang says in a paper on the results published in the journal Advanced Materials.

Wang’s team is already building on the rat findings, Tech Review reports. The team has a device that integrates hundreds of nanowires into an array, giving an output current of about 100 nano-amps at 1.2 volts. The next step is to connect the higher-powered nano-generator inside an animal, Wang says. [Technology Review]

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