OK so he takes the Fourier transform of a non-periodic array of delta functions with the delta functions being at the prime positions, and notices peaks at inve

OK so he takes the Fourier transform of a non-periodic array of delta functions with the delta functions being at the prime positions, and notices peaks at inverse separations of 2, 6, etc. There’s neither X-ray diffraction, chemistry, or any real math here. Garbage.