By M. Naseem
By Rachelle Winkle-Wagner, Cheryl A. Hunter, D. Hinderliter Ortloff, Kenneth A. Loparo
By J. Beier
By T. Csordas
By D. Elliott
By M. Foote
By Richard Panek
By P. Manning
By Timothy J. Mason (Professor, Sonochemistry Centre, Professor, Coventry University)
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By Stephen Hawking
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By Arthur I. Miller
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By David R. Lide (National Institute of Standards & Technology (Retired), Gaithersburg, Maryland, USA)
By Colin Stuart
By Cox, Professor Brian, Cohen, Andrew
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By Lambert Brandsma, H.D. Verkruijsse
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By Donald Bruce, Ann Bruce
By Author M. Unknown
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