Regenerative braking systems are already used in electric cars to help recapture energy while the vehicle is stopping, but researchers have also found a way to generate power while a vehicle is actually driving.
Hand crank-powered radios are nothing new, but what about when your smartphone dies in the middle of the day? The Ampware case has a built-in backup battery and pop-up crank for such disasters that keeps your phone powered for as long as you're alive to use it. Read more >
There are way, waytoomany wireless charging standards, which is part of the reason that the technology is struggling to take off. Now, though, Broadcom has developed a chip that could allow your phone to use any of them. This could change things completely.