Do matters pass through each other if there is no repulsion?

Question

Physicists told us that we don't actually "touch" the chair we are sitting on, rather, we are hovering on top of it. I wonder if this repulsion between atoms is not there between my butt and my chair, would I just drop onto the floor?

gandalf61 · Accepted Answer

You would not just drop onto the floor, you would drop right through the floor. How do we know this ? We have an example of matter that does exactly this - neutrinos.
Neutrinos are particles of matter that are created in the nuclear reactions in the Sub and other stars. They are unaffected by the electromagnetic force and by the strong nuclear force. Billions of neutrinos pass right through every square centimetre of your body (and, indeed, right through the Earth) every second, and neither you nor the neutrinos are affected.

Do matters pass through each other if there is no repulsion?

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