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Mystery #4Tier 3quantum weirdness

Why do even brilliant scientists say the quantum world is downright weird?

Some of the cleverest people who ever lived have spent their lives studying the quantum world, the world of the very tiniest things. And almost all of them agree on one funny point: it is downright weird. Not just hard, but genuinely strange, in ways that seem impossible. Why would the smallest bits of the universe behave so oddly?

A copper-coloured image of individual atoms on a silver surface, taken by a microscope that works only because particles can slip through barriers they should not be able to cross
Photo: Ponor · CC BY-SA 4.0 · via Wikimedia Commons

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