<div dir="ltr"><div>ambient backscatter anyone?<br></div><div style>Something like this in open hardware open source would be great</div><div><br></div><a href="http://techbeat.com/2013/08/ambient-backscatter-harvesting-power-from-thin-air/">http://techbeat.com/2013/08/ambient-backscatter-harvesting-power-from-thin-air/</a><br>

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