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Hot water from a 'satellite dish'?
It looks like a satellite dish - but it won't deliver TV to your home. The Sun Tracer promises hours of hot water rather than entertainment.
It uses GPS to track the sun during the day targeting its mirrors to capture energy from the sky.
The Sun Tracer is the brainchild of developers at a Boston start-up in the US.
大象传媒 Click's LJ Rich finds out more.
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