Electricity from body heat

Making calls from a cell phone with no battery, using just the warmth of your hand? Perhaps that’s no more than a pipe dream right now. But new circuits are already making it possible to harness body heat for generating electricity.

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<p><a href="http://www.physorg.com/news105200099.html">Electricity from body heat</a></p> <p>Making calls from a cell phone with no battery, using just the warmth of your hand? Perhaps that’s no more than a pipe dream right now. But new circuits are already making it possible to harness body heat for generating electricity.</p>