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there is indeed - A level physics to revise his measurement of the speed of conduction of sound. It involves a long tube ( C's tube) with lycopodium powder ( finest pollen apparently)
the pollen makes piles - WW where the sound waves are minimal, and this allows you to estimate the V the speed of sound - the pollen is light and has minimal mass/inertia to minimise its effect.
I got a C in physics 1965 I have no idea why
My brother's and my own, name for Mrs Mopp who lived under the bed was Charlie Kunz ( rhymes with muns, whatever a mun is)
and you used to be able to buy Kunzle cakes once.
When I visited Vienna I breathlessly reported there was a Charlie Kunz museum, no less
more usually spelt Kunst Historisches Museum