News tagged with frequency

Key factors for wireless power transfer

What happens to a resonant wireless power transfer system in the presence of complex electromagnetic environments, such as metal plates? A team of researchers explored the influences at play in this type of situation, and ...

Jul 31, 2013
4.7 / 5 (3) 1

A new way to see space – even its junk

When a large radio telescope in the Australian outback was unveiled last week its improved sensitivity was immediately apparent. It transformed images of supernova remnants taken with last year's equipment ...

Jul 18, 2013
4 / 5 (6) 0

Using RFID for fiber composites

Antennas that are capable of transmitting radio waves turn components into intelligent objects. Researchers have now found a way to embed these antennas in fiber composites. As a result, the technology also ...

Jul 01, 2013
3 / 5 (2) 0