"Ernst Florens Friedrich Chladni was a German physicist and musician. His most important work, for which he is sometimes labeled the father of acoustics, included research on vibrating plates and the ..." Wikipedia These videos have very annoying sounds! Please turn down the volume. On this site the author shows some of the patterns he found. Physics demonstrations: Chladni patterns | Skulls in the Stars Watch these two videos for an explanation.
The Ly Situation
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I have another complaint. Ly.
Two innocent little letters. They are so often misused.
My example is the word bad.
If you feel bad you might be ill. Feel...
5 hours ago