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January 13th, 2007
Science: solar energy power
WE DON'T need nuclear power. Nor coal power, for that matter. Not even wind energy. There is easily enough sun available in Australia to meet all our electricity needs.
The catch is, today's batteries aren't up to the task.
But battery technology is advancing. Just recently, nanotechnology researchers at the Massachusetts Institute of Technology in the US developed a completely different concept for a battery. The device doesn't wear out and so won't need replacing, and if charged from mains power, remarkably, a laptop-sized one could be recharged in a minute or so rather than the hours it now takes.
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