News tagged with frequency range

No signals from newest Kepler planet

A newly discovered planet has been observed with the Allen Telescope Array in a search for radio signals that would betray technically sophisticated inhabitants, but no transmissions have been detected.

Jan 07, 2015
4.8 / 5 (14) 9

Ultrasound technology made to measure

The range of uses for ultrasound is gigantic; the applied technologies are just as diverse. Researchers are now covering a wide range of applications with a new modular system: From sonar systems to medical ...

Jan 06, 2015
5 / 5 (1) 0

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

Terahertz technology: Seeing more with less

Terahertz technology is an emerging field that promises to improve a host of useful applications, ranging from passenger scanning at airports to huge digital data transfers. Terahertz radiation sits between ...

May 08, 2013
5 / 5 (4) 0

Graphene's high-speed seesaw

A new transistor capable of revolutionizing technologies for medical imaging and security screening has been developed by graphene researchers from the Universities of Manchester and Nottingham.

Apr 30, 2013
4.8 / 5 (4) 1 | with audio podcast

Cutting light with a comb

(Phys.org)—Quantum physicists from ETH Zurich have discovered special properties in a laser, thanks to which portable devices can be built to analyse gases and liquids accurately and reliably in the future.

Dec 14, 2012
5 / 5 (8) 0 | with audio podcast