HN recommends it as a well-told chase of a weird fact that lands a rare interview with Lovelock at age 101.
Topics › Physics, Space & Chemistry
The best physics & space (other) videos, according to Hacker News
11 videos about physics & space (other) that Hacker News commenters keep pointing each other to, ranked by how many separate months they were recommended. Part of Physics, Space & Chemistry.
HN commenters point to it as a lucid, general-audience lecture that shows how wrong common conceptions of time are, often in threads on entropy and the arrow of time.
Recommended in kilogram-redefinition threads as a clear, short explainer of the Avogadro and Planck approaches.
Praised as an excellent, accessible account of why the kilogram's definition changed, in redefinition threads.
Whenever NIST's pricey peanut butter or reference materials come up, commenters point to this as the clear explanation of why they exist.
Recommended as a thoughtful, enjoyable 45-minute dive into measurement and the appreciation of precision.
Loved for its zoom-out tour of physical scales and recommended alongside other paper-size and scale-of-the-universe discussions.
HN people link it as the simple go-to explanation of DST and of how irregular time zone rules complicate scheduling.
Used to illustrate that the standard targets consistency rather than taste, and to discuss what standardization is for.
HN mostly cites it as the closest available visualization of the Earth's path through space, with caveats that it is exaggerated and inaccurate.
HN commenters link it to show that the US is effectively metric because its customary units are defined from SI.
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