Cosmic radio waves mimic chirping of `alien birds`

Last Updated: Wednesday, December 5, 2012, 09:52

Twin spacecraft have captured the clearest sounds yet from Earth`s radiation belts and they mimic the chirping of birds.

700 Mhz spectrum auction may cause loss to govt: Experts

Last Updated: Tuesday, November 8, 2011, 16:32

Auctioning of spectrum in the valuable 700 MHz band to new telecom players who have not been allocated any radio waves, as proposed by the Trai, could cause loss to government exchequer, experts have said.

Nearby galaxy emitting mysterious radio waves: Scientists

Last Updated: Thursday, April 15, 2010, 19:37

An unknown object in the nearby galaxy -- M82 -- is sending out radio waves, an incident which has never happened in the universe before.

Radio waves can `see` terrorists, hostages through walls

Last Updated: Monday, October 12, 2009, 12:04

Engineers have developed a wireless network of radio transmitters that can track people moving behind solid walls.

Changes in ionosphere observed during solar eclipse

Last Updated: Tuesday, August 4, 2009, 12:17

Changes in the lowest part of earth-ionosphere have been observed by the scientists from the Indian Institute of Geomagnetism who conducted experiments on Very Low Frequency radiowaves during total solar eclipse on July 22.