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Re: Snapped towel (shock wave)

Other easy walks have earned? photo' prizes (many) from AAPT.

The question mark indicates my attitude to them. Perhaps the judges are
too young to have seen then in Sears and Z.

bc, who notes Edgerton's system is described in "Sci. Am.'s" 'The
Amateur Scientist', easily found on the CD, thanks to Shawn Carlson.
Also the owner of the E. G. & G flash system.

p.s. A much more versatile (and expensive system):

Brian Whatcott wrote:


At 12:53 PM 2/20/2004, bc, you wrote:

Apropos of a recent thread (do towels produce shock waves?)

Serendipitously found:



This second URL pandered to my basest instincts:
no fuss payment
scientific orientation
the suggestion of 'bargain' status
[$5 for an assembled sound trigger board with SCR output?]
an easy route to walk an MIT maestro's steps with milky coronets....
by spending $18 for a photogate to SCR output - some assembly required.

Thank you, thank you.

Apropos c: a colleague showed me a web movie clip of a sling shot
expert in action: the snap was often audible, sometimes the howling
vibration of the shot spinning along the sling could be heard too.

Brian Whatcott Altus OK Eureka!