A4 Paper Is Too Perfect
CGP Grey · 2 则 HN 推荐
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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.
HN 推荐的原因： Loved for its zoom-out tour of physical scales and recommended alongside other paper-size and scale-of-the-universe discussions.
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