In the past, if you wanted a solar-powered gadget, you typically had to shell out a lot of cash for something made by a company you'd never heard of. But that's starting to change, as major brands such as Kodak and Energizer ...
Consumer & Gadgets
Aug 26, 2009
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One of the most common gadget questions I get (especially during the holiday season) is "Which GPS unit should I buy?"
Consumer & Gadgets
Jul 16, 2009
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(PhysOrg.com) -- One of the biggest challenges currently facing large-scale solar energy technology is finding an effective way to store the energy, which is essential for using the electricity at night or on cloudy days.
From stem to stern across the continent, skirting blacktop and blue highway in his oddball little electric car, Marcelo da Luz has devoted the last eight months of his life to following the sun.
Energy & Green Tech
Mar 4, 2009
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(PhysOrg.com) -- Although you can buy solar charging devices for rechargeable batteries, it would be even more convenient if batteries had built-in solar cells. Sitting in sunlight, the battery could then recharge itself. ...
The U.S. is struggling to catch up with China, Japan and Korea in a race to build the advanced batteries needed to power the electric cars of the future.
Engineering
Jan 18, 2009
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