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Wall Street Journal gives a nod to Ambient Backscatter

EY-AA583_STORAG_G_20131107193335The article is on “better batteries,” but it notes:  “Researchers at University of Washington recently published a paper on how they used “ambient backscatter” from cellphone towers and other sources of energy to power a device with no battery at all.”

Read more here.  Learn about ambient backscatter here.