BatteriesrechargablegrapheneGraphene and lithium will power the super-batteries of tomorrowColin Druce-McFaddenMonday, April 29, 2013 - 6:17pm Credit: These things will be able to last ten times as long as the batteries we have today. They'll also charge faster.
flashlightrechargablespace kittyDoraemon flashlight charges up when squeezedMonday, August 31, 2009 - 11:58am Who needs batteries? With this Doraemon flashlight, you simply squeeze the handle to charge it up. That way, even if the power goes out, you'll still be able to find your way around by using the glowing eyes of an...