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Today's Army marches on its batteries while searching for alternatives
Alex Chadwick Apr 22, 2013
The Rapid Equipping Force seeks solutions to problems soldiers encounter in the field -- such as packing pounds and pounds of batteries on patrol.
Would you like some salt with your batteries?
David Brancaccio Apr 4, 2013
A promising new technology aims to store electricity for the power grid on the cheap.
Why are the Dreamliner's batteries malfunctioning?
Scott Tong Feb 1, 2013
Big battery packs are a balancing challenge -- if the cells work unevenly, one can overheat and burst into flames.
That battery in your cell phone packs a lot of history
Scott Tong Jan 31, 2013
Prof. John Goodenough discovered the advance that made the lithium-ion battery -- and the wireless world -- possible. But now another breakthrough is needed.
Scientific method: The search for a better battery
Alex Chadwick Apr 19, 2013
The biggest barrier to renewable energy such as solar and wind is storing the electricity it generates. In a university laboratory, a scientist painstakingly re-imagines the battery.
Why is China interested in U.S. battery maker?
Jeff Horwich Aug 9, 2012
Wangxiang Group, China's biggest auto-parts conglomerate, has offered $450 million for a controlling stake in a Massachusetts electric car batteries company.
The Internet gets physical
Stephen Smith Jul 2, 2012
Author Andrew Blum takes a peek behind the screens and traces the "Tubes" that connect us to one another.
Jelly, not just for donuts, for batteries too
John Moe Sep 12, 2011
One of the biggest problems with the lithium batteries used in everything from laptops to electric cars, its liquid electrolyte. It gets really hot...
Mobile phones charged by talking into mobile phones?
John Moe May 9, 2011
Here's a brain bender: Korean scientists have developed a way to turn sound into energy. The idea is that such a system could be installed in a...
