Article: Orbiting telescope detects evidence of sound waves ...
AP Worldstream;  September 9, 2003 ;     700+ words ... ... Chandra X-ray Observatory has picked up sound waves for the first time from a cluster of ... Cambridge, England, discovered the sound waves while analyzing the Chandra images of ... the X-ray pattern that are caused by sound waves excited by the energy from the black ...

Article: Chandra Finds Sound Waves From Black Hole
AP Online;  September 10, 2003 ;     700+ words ... ... identified and interpreted for the first time sound waves rumbling from the halo around a black ... the X-ray pattern that are caused by sound waves excited by the energy from the black ... enough to generate X-rays. A surge of sound waves adds energy, causing a slight change ...

Article: Sound waves detected from super-massive black hole.
Science Letter;  September 29, 2003 ;     700+ words ... ... Chandra X-ray Observatory has detected sound waves, for the first time, from a super ... tremendous amounts of energy carried by these sound waves may solve a longstanding problem in ... cluster. These ripples are evidence for sound waves that have traveled hundreds of thousands ...

Article: Sound waves at work
Mechanical Engineering;  March 1, 1998 ;     700+ words ... ... have devised a new technique to use sound waves, opening the way for simple acoustic ... acoustic analogue of electromagnetism-sound waves, or pressure waves, propagating through ... packing large amounts of power into sound waves can now be used as a prime mover for ...

Article: Sound waves at work. (includes related article on ...
Mechanical Engineering-CIME;  March 1, 1998 ;     700+ words ... ... have devised a new technique to use sound waves, opening the way for simple acoustic ... acoustic analogue of electromagnetism - sound waves, or pressure waves, propagating through ... packing large amounts of power into sound waves can now be used as a prime mover for ...

Article: Sound waves indicate Columbia broke up near western ...
Knight Ridder/Tribune News Service;  February 12, 2003 ;     700+ words ... ... wash of infrasound, or low-frequency sound waves, that may be traced back to a single ... earthquakes, infrasound stations monitor sound waves in the atmosphere produced by energetic events. Infrasound is low-frequency sound waves, those at 20 hertz or lower _ just ...

Article: Sound waves indicate Columbia broke up near western ...
The Dallas Morning News (via Knight-Ridder/Tribune News Service);  February 12, 2003 ;     700+ words ... ... wash of infrasound, or low-frequency sound waves, that may be traced back to a single ... earthquakes, infrasound stations monitor sound waves in the atmosphere produced by energetic events. Infrasound is low-frequency sound waves, those at 20 hertz or lower _ just ...