In message <[EMAIL PROTECTED]>, Hal Murray writes: > >> 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.
I'm not sure that's a whispering gallery effect, the height of the tube allows the energy to dissipate upwards so there will be very little energy circulating. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
