News tagged with radio waves

Panel recommends support for Chile telescope

A new planned telescope facility in Chile known as CCAT, proposed and led by Cornell scientists, has received strong endorsement from a national panel charged with determining priorities in astronomy and astrophysics ...

Aug 18, 2010
4.5 / 5 (4) 0

Discovery of Saturn's auroral heartbeat

(PhysOrg.com) -- An international team of scientists led by Dr Jonathan Nichols of the University of Leicester has discovered that Saturn’s aurora, an ethereal ultraviolet glow which illuminates Saturn’s ...

Aug 04, 2010
5 / 5 (2) 2 | with audio podcast

Radio Waves: Alternative Power Source

(PhysOrg.com) -- Researchers at Duke University are harvesting ambient radio waves to power small microprocessor devices that consume very little energy. Devices such as sensors that monitor critical environmental ...

Jul 20, 2010 weblog
4.2 / 5 (13) 2 | with audio podcast

Cassini Sees Lightening on Saturn

(PhysOrg.com) -- NASA's Cassini spacecraft has captured images of lightning on Saturn. The images have allowed scientists to create the first movie showing lightning flashing on another planet.

Apr 14, 2010
4.8 / 5 (5) 2

Fermi maps an active galaxy's 'smokestack plumes'

If our eyes could see radio waves, the nearby galaxy Centaurus A (Cen A) would be one of the biggest and brightest objects in the sky, nearly 20 times the apparent size of a full moon. What we can't see when ...

Apr 01, 2010
5 / 5 (6) 1 | with audio podcast

Honey, I shrunk the receiver

(PhysOrg.com) -- CSIRO and Australian company Sapphicon Semiconductor Pty Ltd have signed an agreement to jointly develop a complete radio receiver on a chip measuring just 5 mm x 5 mm that could eventually ...

Mar 17, 2010
4.8 / 5 (4) 0

First signal received by future telescope

An historic milestone was reached recently in Australia's bid to host the Square Kilometre Array telescope - a future international radio telescope that will be the world's largest and most sensitive.

Mar 03, 2010
4.2 / 5 (13) 0