Light Sensors

Scientists have developed a fully transparent skin sensor that accurately measures UV radiation, detecting light and converting it to electrical signals. So before the sun's rays reach damaging levels, a phone alert lets users know it's time to cover up.

Scientists have hacked the meaning of a "light meal," creating microlasers that use natural products to emit beams through food. They're also completely safe to eat. It's the first demonstration of laser emission from an entirely edible system.

Is your scarf really made from cashmere? Is that necktie truly silk? Such questions may soon have an easy answer via a pass with your cell phone's camera thanks to a tiny near-infrared spectroscopy system developed by researchers in Germany.

The Beep-It optical theremin produces eerie tones when exposed to various light sources.

Innovative Converged Devices has unveiled a new 15in touchscreen tablet, the Vega

Toshiba has chosen IFA 2009 to announce European availability for its new range of Regza HD TVs