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Solar Cells Made Obsolete – 3D rectennas aim at 40-to-90% efficiency
- trebor 11y agoVery few details on that site, the original article (cited by electronics-lab.com) at eetimes.com has a lot more detail. http://www.eetimes.com/document.asp?doc_id=1327819 http://www.eetimes.com/document.asp?doc_id=1327819