The science of sound, and everyday life in general, is so interesting. I remember learning about sound in high school physics class. We set up a speaker at the front of the room and our desks in rows. Then we walked down the rows and stopped at key points to listen to the sound coming from the speaker. It would get louder or quieter (sometimes even sounding muffled) depending on the location we stopped. That day we learned that sound travels in a wave and it is loudest at the peak of the wave and is quiet or even muffled at a node, the place where two waves meet each other and cancel each other out. It was interesting learning in such a practical way and that always stuck with me.
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