Today, I went over to my cousin's house. My cousins were all making strings and shapes with these sets of 216 really small spherical earth magnets. What did I do? I strung them together and found the string's resonant frequency. It was 15 Hz. MLIA.
Why did the chicken cross the road? Albert Einstein: Whether the chicken crossed the road or the road crossed the chicken depends on your frame of reference.
Ah! I have found a fallacy in the OP's post! The string wouldn't technically resonant frequency, the magnets would! He nearly fooled us! This will cost him dearly! >shreds out the OP's tongue violently and euphorically, laughing manically all the while, burns it, and wires the OP's mouth shut<
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Hmmph. I wanna call BS, but to do that I have to actually explain what he was doing, or claimed to be doing.
OK, you've got a length of string, in this case made of magnets. You hold one end still, and wiggle the other end. The string wiggles in a sine wave, which usually looks weird because the wave is running back and forth along the string. If you wiggle it at the right rate (frequency), it becomes a "standing wave", where you have loops wiggling back and forth (each opposite to the loops next to it) while the bits between them stay put. A "resonant" frequency is where that standing wave is strongest -- there's more than one, but the first resonance is where you have too loops that are going back and forth in opposite directions.
The problem is, he claims to have been wigging the string back and forth 15 times a second... not by hand, he wasn't!
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