We walk through atoms every day- they are all around us and we are made of them!
So try not to lose too much sleep about plummeting into the core of the earth.
If you weren’t affected by the electromagnetic forces that prevent you falling through the floor, you’d have to wonder if you’d be affected sigificantly by gravity either. There are some particles, neutrinos, that don’t interact with matter through the electromagnetic or strong nuclear forces – they can pass straight through the Earth as if it wasn’t there. They do have a little mass, so are subject to gravity.
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Andrew M commented on :
If you weren’t affected by the electromagnetic forces that prevent you falling through the floor, you’d have to wonder if you’d be affected sigificantly by gravity either. There are some particles, neutrinos, that don’t interact with matter through the electromagnetic or strong nuclear forces – they can pass straight through the Earth as if it wasn’t there. They do have a little mass, so are subject to gravity.