Understanding Atomic Scale
Atoms are incredibly small, and visualizing their size can be challenging. When comparing the scale of an atom to a fingernail expanded to the size of the Earth, an atom would be as large as a basketball, while its nucleus would be comparable to a tiny grain of sand. This perspective highlights just how minuscule atoms truly are in the grand scheme of things.In this clip
From this podcast

The Science of Everything Podcast
Episode 8: The Atom
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