by msander | Nov 22, 2018 | Gr. 11-12 Physics
This engaging video gives us a detailed explanation of how we hear, the fundamentals of sound production, the overtone series, and how we distinguish one sound from another....
by msander | May 3, 2018 | Gr. 11-12 Physics
Mysteriously play an organ pipe without an organ! This demonstration uses heated air to produce vibrations inside a long tube. The vibrations, in turn, produce standing sound waves with a unique tone, or timbre (ta˘mʹ br)—the same concept that produces sound from an...
by cbrookallred | Apr 6, 2015 | Safety
Question to the STAO Safety Committee Can resonance rods do damage to a person’s hearing, especially if the demonstration is repeated several times during the day? Response Tanya Malusev from Arbour Scientific measured the sound intensity. The maximum value...
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