Scientists have already devised systems that allow electronic devices to scavenge power from ambient electromagnetic energy sources such as radio waves. While the technology has generally been limited to small devices such as wireless sensors, a research team has recently created a scavenging system that charges a smartphone's battery, letting it last up to 30 percent longer per charge – and the system does so using radio signals emanating from the phone itself.
.. Continue Reading Smartphones could run 30 percent longer, by harvesting their own radio wavesSection: Mobile Technology
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from Gizmag Emerging Technology Magazine http://ift.tt/1GBwWVW
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