| Single-wave
sounds streak through air
A steel tube
studded with bulb-like protrusions has generated the world’s first
acoustic solitary wave in air.
References:
Sugimoto, N., et
al. 1999. Experimental demonstration of generation and propagation
of acoustic solitary waves in an air-filled tube. Physical Review
Letters 83(Nov. 15):4053.
Further Readings:
Krumhansl, J.A.
1991. Unity in the science of physics. Physics Today (March):33.
Peterson, I. 1991.
Solitons under the sea. Science News 139(April 6):223.
von Baeyer, H.C.
1999. Catch the wave. The Sciences (May/June):10.
Sources:
Andrés Larraza
Naval Postgraduate School
Department of Physics
Code PH/La
Monterey, CA 93943
Nobumasa
Sugimoto
University of Osaka
Department of Mechanical Science
Graduate School of Engineering Science
Toyonaka, Osaka 560-8531
Japan
Hans Christian
von Baeyer
College of William and Mary
Department of Physics
P.O. Box 8795
Williamsburg, VA 23187-8795
From Science
News, Vol. 156, No. 21, November 20, 1999, p. 327. Copyright ©
1999, Science Service. |