Date: Thu, 22 Apr 2010 23:10:15

Author: Paul Nord

Subject: Re: wow, visible sound waves

Post:


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Speed of sound in air.

On Apr 22, 2010, at 9:42 PM, Brian Huang wrote:

> Cool!=20
>=20
> Is there a reference in the frame? it would help if there wasn't so =
much zooming in and out - but, I'm sure our students could work around =
that problem. Without a reference, though...that makes it really hard!
>=20
>=20
>=20
> On Thu, Apr 22, 2010 at 7:43 PM, William Beaty =
wrote:
>=20
> Eyjafjalajkull volcano propagating sphere-waves
> http://www.youtube.com/watch?v=3DBicT13ecUbc
>=20
> *NOT* shockwaves, but subsonic sound from burps of gas. Guess the =
wavelength and estimate the frequency?
>=20
>=20
> Collected youtube physics vids:
>=20
> PHYSVIDS
> http://amasci.com/physvids/
>=20
>=20
>=20
>=20
> (((((((((((((((((( ( ( ( ( (O) ) ) ) ) )))))))))))))))))))
> William J. Beaty http://staff.washington.edu/wbeaty/
> beaty, chem washington edu Research Engineer
> billb, amasci com UW Chem Dept, Bagley Hall RM74
> 206-543-6195 Box 351700, Seattle, WA 98195-1700
>=20
>=20


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Speed of sound in air.On Apr 22, 2010, at 9:42 PM, Brian Huang wrote:Cool! Is there a reference in the frame? it would help if there wasn't so much zooming in and out - but, I'm sure our students could work around that problem. Without a reference, though...that makes it really hard!

On Thu, Apr 22, 2010 at 7:43 PM, William Beaty wrote:


Eyjafjalajkull volcano propagating sphere-waves
http://www.youtube.com/watch?v=BicT13ecUbc

*NOT* shockwaves, but subsonic sound from burps of gas. Guess the wavelength and estimate the frequency?


Collected youtube physics vids:

PHYSVIDS
http://amasci.com/physvids/




(((((((((((((((((( ( ( ( ( (O) ) ) ) ) )))))))))))))))))))
William J. Beaty http://staff.washington.edu/wbeaty/
beaty, chem washington edu Research Engineer
billb, amasci com UW Chem Dept, Bagley Hall RM74
206-543-6195 Box 351700, Seattle, WA 98195-1700



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From tap-l-owner@lists.ncsu.edu Fri Apr 23 01:41:55 2010