Last Updated: Wednesday, October 09, 2013, 19:08
A new device that uses the energy stored in car batteries to power cellphones and other appliances has been developed.
Last Updated: Wednesday, December 19, 2012, 18:58
Scientists including an Indian-origin researcher are developing an eco-friendly, lithium-ion battery from an ancient natural red plant dye that can power your cellphone.
Last Updated: Tuesday, August 28, 2012, 15:53
Next time your cellphone runs out of battery, you can charge it by just holding it in your hand, as scientists claim to have developed a new technology that turns body heat into electricity.
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