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What is physical intuition when you deal with quantum mechanics?

Connecting the math with a physical scenario, and highlighting how your intuitions are wrong, to help you develop new ones.

Feynman's Lectures on Physics starts with the 2 slit experiment, then talks about shining light on the holes to see which hole the electron goes through, then making the energy (wavelength) of the light lower (longer) to try to disturb it less.

Or that you shouldn't think of filters as just removing parts of the wave. For example, put unpolarized light through a vertically polarizing filter, then a horizontally polarized one. No light comes out. Then, in between the two, put a filter at 45 degrees. Now, you do get some light coming out of that horizontal filter.

The math tells you this, of course, but if you don't have an intuitive sense of how that maps to the physical world, you can end up e.g. not noticing where there's a mistake in your calculation that would be obvious it you thought about what it means physically.




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