With a string of LEDs and a nine volt battery, redditor jingle_balls123 made a lit Christmas tree. He writes, "This is how I decorated my cubicle."Perfect. Just perfect.Link...

It keeps going...and going...and going. Karpen's Pile, a battery built in Romania, has been providing power since the 1950s: The prototype has been assembled in 1950 and consists of two series-connected electric pile...

A research team by Jianyu Huang (pictured) at Sand...  ...st the common belief of workers in the field that batteries swell across their diameter, not longitudinally....

DARPA-funded research is developing batteries to power nano-scale machinery. The largest of th...  ...power nano-scale machinery. The largest of these batteries will be the size of a grain of sand. UCLA resear...  ...same energy densities as traditional lithium ion batteries...

The Evolta robot -- the mascot of Panasonic's line...  ...Evolta robot -- the mascot of Panasonic's line of batteries -- will roll 500 kilometers from Tokyo to Kyoto....  ...eters from Tokyo to Kyoto. It's powered by 12 AA batteries , and the trip is meant to serve as a public demon...  ...s meant to serve as a...

The Solar Impulse (previously at Neatorama), an ex...  ...perimental electric plane with rechargeable solar batteries , has completed a 24-hour continuous flight, with...

Remember when you were a kid and you pulled a stri...  ...g? Well, I do! Now that principle can charge your batteries . The YoGen hand-held charger was displayed at the...

Researchers at Toyota and Tohuku University in nor...  ...ress in their efforts to extend the charge in the batteries of electric vehicles: Existing lithium-ion batteries have a cathode that contains graphite and polycry...