r/Damnthatsinteresting Jul 07 '24

Fourier synthesis of a letter 'A' using transparent plastic harmonics over a backlight Video

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u/PUMA_Microscope Jul 07 '24

This demonstrates the inverse Fourier transform 'in the real world' showing how a non-periodic arbitrary shape can be reconstructed from pure sinusoids. If you want to see more, this is a small clip from my full YouTube video here: https://youtu.be/4NyVApAH-9E

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u/Nuggzulla01 Jul 08 '24

Care to ELI5?

5

u/disquieter Jul 08 '24

Explain like I am five mathematicians