Tagged: Technology

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1:41am

Tue January 22, 2013
All Tech Considered

This Defense Contractor Has A Green Side

Originally published on Tue January 22, 2013 8:06 am

Lots of companies make products that don't have much in common, but AeroVironment specializes in two products that are very different — electric vehicle chargers, which keep cars like the Nissan Leaf on the road, and military drones. The Los Angeles-area firm is a leading manufacturer of small unmanned aircraft.

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1:35pm

Fri January 18, 2013
Science

Powerful But Fragile: The Challenge Of Lithium Batteries

Originally published on Fri January 18, 2013 5:58 pm

Boeing announced late Friday that it is postponing deliveries of its new 787 Dreamliner because of problems with its big batteries. Aviation authorities in the U.S. and abroad grounded the new jetliners after those batteries failed in two planes operated by Japanese airlines, including one battery that burned while the plane was on the ground.

These lithium-ion batteries are new to jetliners. They're powerful and lightweight, and, unfortunately, they're also fragile.

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1:25pm

Fri January 18, 2013

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