[time-nuts] Whispering Gallery-Mode....??

Hal Murray hmurray at megapathdsl.net
Thu Apr 24 14:31:27 EDT 2008


> You start as low as go can and sweep slowly upwards until you suddenly
> hit a resonance of quite startling intensity. 

Neat.  Thanks.


The Exploratorium has a linear version.  It's an amazing toy.  (They call it 
an exhibit.)

It's a hollow tube, 3m dia, 20m tall.  Rather than sweep the frequency, they 
have a xylophone tuned to several resonant frequencies.

It's one of these columns:
  http://www.isle.org/~sbay/images/exploratorium.jpg

Good description:
  http://www.exo.net/~pauld/summer_institute/summer_day11sound/sound_column.ht
ml


-- 
These are my opinions, not necessarily my employer's.  I hate spam.






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