Microwave signals turned into electrical power

There is energy in the air all around us, traveling in the form of sound, Wi-Fi and other signals. Duke University researchers announced they successfully converted microwaves into electricity, which could be used to power electronic devices. Their system is about as efficient as a solar cell, and they hope it could someday be built into mobile phones.

Story posted at: bbc.co.uk

loading

Comments have been disabled for this post