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Just how small Is an atom? - Jonathan Bergmann

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TEDEd Animation

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Just how small are atoms? And what's inside them? The answers turn out to be astounding, even for those who think they know. This fast-paced animation uses spectacular metaphors (imagine a blueberry the size of a football stadium!) to give a visceral sense of the building blocks that make our world.

The number of atoms in a grapefruit would be equivalent to

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