Can You Imagine a Cell Phone Without a Battery?

Yes! I am talking about a cell phone that will not need a battery to work. I know, it might sound like a dream from a very distant future but that might be a reality much sooner than you think. This will be made possible using the new circuits, that works on principle of thermoelectric generators, made from semiconductor elements. Research scientists at the Fraunhofer Institute for Integrated Circuits have made it possible to use natural human body heat as

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