LEDs are all the rage in lighting, but sometimes they don’t work very well. The Boston Globe reported today that PBS station WGBH’s "electronic mural" that entertains commuters on the Massachusetts Turnpike is being switched off until cooler weather in September. Apparently, the LEDs go dark when they get too warm. The mural displays photos of WGBH’s TV shows and was turned on last November as part of the station’s new $85 million headquarters.
A group of researchers at the Seoul National University have discovered a way to take material from cigarette butts and turn it into a carbon-based material thats ideal for storing energy and creating a powerful supercapacitor.
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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