cell phone charger, Tag

We all know that if you give a little kid some sugar, they’ll have enough energy to be a total pain for a couple of hours. Well, why not charge your gadgets that way too? A group of researchers just presented their...

Nokia has released a pedal powered cell phone charger kit slated for developing nations where the power supply is limited, unreliable or expensive. The kit includes a bottle-dynamo, like the ones used to power a bike light,...

By now you probably know that your gadgets still suck power from the grid when they are plugged in but not turned on — this phantom power drain can cost you hundreds of dollars a year...