Shewanella oneidensis bacteria can produce electricity on a mineral surface.
Alice Dohnalkova
bacteria

Electric bacteria could be used for bio-battery

Image of urine-powered generator
Maker Faire Africa
innovation

African girls’ pee-powered generator raises questions

iPhone
Reuters file
hurricane

Wireless carriers gearing up for nor'easter

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Manhattan, New York experiences a power outage late on Oct. 29, 2012.
Getty Images file
innovation

Smarter electric grids could help us weather stormy future

Image: Image of semi-transparent solar window
Heliatek
solar-energy

Tinted windows go organic, generate electricity

Image: Image of Authentication Outet
DigInfo / YouTube
innovation

WiFi's free, but you may be charged to plug in

electricity

New Year's Resolution: Get fit, make electricity

electricity

Map shows when solar power is a bargain

electricity

'Greenhouse effect' used to generate electricity

electricity

How driving can light up cities

electricity

Ant frying tech could make solar cheap

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