A Duke University team has succeeded in transmitting power via microwaves with an efficiency comparable to solar cells. The team used fiberglass and copper conductors on a circuit board to produce 7.3 volts of electricity. "We had been getting energy efficiency around 6 to 10%, but with this design, we were able to dramatically improve energy conversion to 37%," said Allen Hawkes, a member of the team.
Microwaves captured to generate power
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