Featured in cell phone chargers
Cell phone batteries are destined to die, and we have physics to blame
The second law of thermodynamics is the enemy here.
A Solar-Powered Phone That Will Never Go Dark
When a high-end Swiss watchmaker introduces what appears to be a plain old dumb phone, odds are there’s something more...
Orange’s Prototype Power-Welly Boots Are Made For Charging
First the British invented waterproof Wellington boots; now they’ve invented a way to derive power from those boots. Could corduroy-friction-power...
Europe Adopts Universal micro-USB Cellphone Charger Standard
One cell phone charger to juice them all
Wrist RPMs = MP3
Want to impress all of your tree-hugging friends who are chiding you that your iPhone can kill you? Now a...