frezned: thefourofclubs: My sister just came upstairs and looked at me with...

frezned:

thefourofclubs:

My sister just came upstairs and looked at me with really really wide eyes and shouted she actually shouted “NOTHING EVER REALLY TOUCHES ANYTHING! QUANTUM PHYSICS! HOLY SHIT!” and then ran back downstairs

that was so weird I’m a little bit scared

Okay so the whole thing is that atoms repel each other when they’re close together. But that’s “close together” on an atomic level, so like when you touch the surface of a table with your fingertip you can’t perceive distance between them.

And you feel the tabletop because the atoms of the table repel the atoms of your finger, and vice versa, and your body’s tuned to perceive that force.

So the electrons of the finger atoms aren’t actually knocking into the electrons of the tabletop atoms, they’re just repelling each other from a distance, kind of like how magnets do.

Things are really weird at the atomic level, though, because we’ve adapted to perceive everything at the human-size level. Electrons aren’t little marbles, they’re more like little clouds of energy.

So to say “things don’t REALLY touch” because they are actually just repelling at an atomic level is TOTALLY WRONG!! BECAUSE

repelling at an atomic level

is what touching IS

Tom wins life.

Source: fuckyeahbeyblades

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    Let me add that there’s a lot more than just atoms repelling each other going on. The way some things feel smooth or...
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    so… Science, everybody.
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