Sound-waves - Latest Popular Stories, Instablogs Community

Generating electricity from sound waves!

Irani — Thu, 07 Jun 2007 06:28:27 +0000

Turning heat into sound waves is no new a concept for decades. Scientists have been doing this, using simple devices called acoustic heat engines. But, with the demand for alternative energy sources soaring, led by the increasing concerns for...

'Sound waves' and biomass-powered cooker-fridge-electricity generator

Irani — Sat, 19 May 2007 11:55:58 +0000

A blessed technology is on its way for the developing countries. Thanks to the several UK universities that are teaming up for developing an ‘inexpensive’ all-in-one appliance. The technology - named SCORE device — is compiling...

Acoustic Beams to Detect Land Mines and their Manufacturers

Jolly — Thu, 21 Dec 2006 01:21:07 +0000

Researchers at MIT are always in a hurry to develop some of the best technology in the world. Now they have come up with a device that can detect the presence of Land Mines and can also tell the country which manufactured them. They...

Revitalization of polluted soil with sound waves

Naresh Chauhan — Fri, 08 Sep 2006 07:50:32 +0000

Soil pollution is one of the major issues that most of the nations are looking to prevail over. Petroleum waste, chemical factories, chemical fertilizers and pesticides are the major apprehensions that are posing a big question on the fertility and...

Ultrasonic sound can accelerate corn-sugar release for ethanol production by nearly 30%

Irani — Fri, 02 Jun 2006 05:41:16 +0000

Ultrasonic machines producing sound waves of high frequency can accelerate the rate of corn sugar release, which is used to produce ethanol - the eco-friendly fuel-alternative to global warming-causing fossil fuels. Hats off to David Grewell...

This Week (18-24 Dec.): Events of the Space This Week

Irani — Sat, 24 Dec 2005 02:30:58 +0000

#1: Sound of star’s vibration reveals details of its core Newscientist has reported that the astronomers this week have made the most detailed observation yet of the subtle vibrations of a Sun-like star. And this reveals details of the...

Iceberg 'Sings Under Pressure'

Irani — Tue, 29 Nov 2005 04:59:28 +0000

Ice bergs sing! I mean they produce sound waves! This is what the scientists claim. But, how is it so that expeditors, who walked on the surfaces at the poles, never talked of it? Scientists have explanations also for it. They say, the icebergs...