Scientists in Singapore have developed ultrathin solar cells that could one day turn car ...
Imagine a car whose windows and sunroof can help top up its battery while parked under the sun, or a pair of smart glasses whose lenses can harvest light to power built-in electronics.
Clearly, there have been more than a few stumbles along the way, but this week, the long-running saga got a new verse as the ...
Most people love window shades, but many dislike the tedium of having to open and close them over the course of each day.