Building a better battery

Imagine an electric car with the range of a Tesla Model S - 265 miles - but at one-fifth the $70,000 price of the luxury sedan. Or a battery able to provide many times more energy than today's technology ...

Nov 25, 2014
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Namibia prepares for Africa's first e-vote

Namibia will vote in Africa's first electronic ballot Friday, a general election that will usher in a new president and quotas to put more women in government.

16 hours ago
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