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Transistors of all shapes and sizes form the foundation of just about every electronic gadget under the sun, and similarly, cotton clothing is a key component of a well-rounded wardrobe. It was only a matter of time before these two got together to form a fashion-forward future, and an international team of scientists have accomplished the trick by creating a transistor using fibers of cotton. Now, this isn’t the first organic transistor, but cotton’s plentiful, cheap, lightweight and sustainable nature make it a great choice for use as a substrate in carbon-based transistors. To get the fluffy white stuff ready to amplify and switch electric signals, it was conformally coated (to cover all the fiber’s irregularities) with gold nanoparticles, semiconductive and conductive polymers in a super thin layer to preserve its wearability flexibility. The result was an active transistor that can be used in integrated circuits sewn into your shirt, socks, or even pantaloons, if you like. The future of fashion is right around the corner, folks, and in that future your pants are the PC.

The touch, the feel of cotton, the fabric of our… transistors originally appeared on Engadget on Sat, 29 Oct 2011 01:48:00 EDT. Please see our terms for use of feeds.

Permalink   |  sourceCornell University  | Email this | Comments

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Doesn’t look like much, does it? But the next time you’re lost at sea, you just might be thankful you’ve got it. That little square of fabric is actually a flexible antenna designed for the Cospas-Sarsat distress signal network, a Cold War-era system built to help pinpoint missing ships, planes and people. Designed to be sewn into a life vest, the antenna broadcasts an emergency beacon at a low frequency for greater range; in field tests, that helped rescuers find it within minutes. It’s also tear- and water-resistant, which you’ll be grateful for when you’re being tossed around like a ragdoll in a sea of whitecaps. The technology was developed by the European Space Agency in partnership with a Finnish company. Next on their agenda? A round, floating companion for the marooned, codenamed Wilson.

Help for the lost: a fabric antenna to keep you from being a castaway originally appeared on Engadget on Tue, 04 Oct 2011 21:53:00 EDT. Please see our terms for use of feeds.

Permalink Gizmag  |  sourcePopular Science, European Space Agency  | Email this | Comments

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This cross section shows two rings of light-sensitive semiconductor material in the fiber. The eight thicker parts are electrodes to carry signals.

Here is the gist of it. Basically MIT has figured out a way to use fibers to detect two frequencies of light. A computer connected can then translate those frequencies into an image.

Researchers suggest that this technology could eventually be as a uniform. The person wearing the uniform could use a HUD to see in all directions simultaneously. Imagine being able to see behind you, and in front at the same time…

[CNET]

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