< ♠ < Slide whistles and harmony
1.52_versus_1.50 resonance.png
- file:Wsul file pdf 02.pdf
Idea for explaining this
Explain the 1.5 versus 1.52. Why 1.5 is "exact" the other is "approximate".
The two graphs are similar. But the exact ratio (of frequencies) is periodic, meaning that an exact repetition of the signal occurs at exact time intervals.
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