A4 Paper Is Too Perfect
CGP Grey · 2 HN recommendations
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CGP Grey explains the elegant ratio of A4 and the metric paper sizes, then zooms out across scales from the Planck length to the observable universe.
Why HN recommends it: Loved for its zoom-out tour of physical scales and recommended alongside other paper-size and scale-of-the-universe discussions.
“the most psychedelic experience one can have without doing drugs” Read on HN ↗