| http://www.w3.org/ns/prov#value | - Investors such as the Founders Fund, Yahoo CEO Marissa Mayer, and the Andreessen Horowitz firm are backing uBeam, a startup that???s trying to build a technology that involves piezoelectricity ??? a form of charge that is created through vibrations of certain crystals and ceramics ??? or simply put, pulling energy from the air.
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