Thanks for pointing that out. There is more current work from the same faculty which shows how far the research has come: Towards Battery-Free HD Video Streami

Thanks for pointing that out. There is more current work from the same faculty which shows how far the research has come: Towards Battery-Free HD Video Streaming http://batteryfreevideo.cs.washington.edu/ http://batteryfreevideo.cs.washington.edu/ Discussion: https://news.ycombinator.com/item?id=16881946 https://news.ycombinator.com/item?id=16881946