十的次方（1977）

The Eames Office's 1977 film Powers of Ten starts at a picnic in Chicago and zooms out by a factor of ten every ten seconds to the edge of the universe. It then zooms inward to a proton in a carbon atom.

Why HN likes it: HN commenters recommend it as the classic visualization for building intuition about scale, and it comes up whenever a thread concerns scale or size comparisons.

“a classic video that demonstrates the scale of the Universe from the micro to the macro perspectives”