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Show HN: What if the speed of light was 5 km/h?

dmitrybrant Hacker News 2026-09-10 09:58 19 views

I've always wanted to make a visualization where the speed of light was scaled down to human speeds, so that we could intuit relativistic effects with everyday objects. And here is the first version of it! Comments URL: https://news.ycombinator.com/item?id=49637385 Points: 24 # Comments: 16

Read original: https://rivendell.dmitrybrant.com/relativity/

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