iPhone 4S big hit in Hong Kong's grey market

Apple's iPhone 4S was on sale on Hong Kong's grey market at the weekend, attracting hundreds of fans paying up to six times official prices to get their hands on the latest model.

3-D battery structure shows new twist in battery design

(PhysOrg.com) -- Battery life and driving range are two sticky phrases in discussions about why EVs have yet to hit mainstream use. Drivers still feel skittish about the idea of setting out on longer trips on batteries lasting ...

Japan's Mitsui in quake-zone solar plan: report

Japanese trading house Mitsui plans to build large-scale solar power plants with the capacity to supply 30,000 households in the tsunami-hit northeast, a newspaper reported Wednesday.

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