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Physics, Astronomy & Cosmology / Re: why do a lot of people confuse between interference and diffraction?
« on: 30/12/2022 00:21:48 »
I spent several happy years making and interpreting x-ray diffraction photographs, every one of which literally had a hole in the middle to let the primary beam out. If we didn't do that, the scattered radiation from the majority of the x-rays that passed straight through the sample would fog the film and make the diffraction spots difficult to find. Hence an abiding interest in knowing the difference.
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