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The artificial gravity lab

Tom Scott · 7.2M views · 2019-04-02 · 6:18

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Overview

Tom Scott tours the rotating room artificial gravity facility at Brandeis University's Graybiel lab. It shows how humans cope with rotation-based gravity and the odd effects such as Coriolis forces.

On Hacker News

HN cites it as an intuitive demonstration of the Coriolis effect and the practical problems of spinning habitats.

Recommended by 1 HN people across 1 months · HN mentions 2022–2025

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What people said

cm2187 · 2023-01 · Recommendation

Coriolis force. It's pretty basic but I never really got it until I watched the Tom Scott video [VIDEO]

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MobiusHorizons · 2025-06 · Reference

Relevant Scott Manley video: [LINK] Relevant tom Scott video: [VIDEO] There is a lot of research, but it’s not as simple as operating under real gravity. Makes many movements harder and can result in getting sick.

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inamberclad · 2023-10 · Reference

EMS = electro muscular stimulation? No, not 100%. Astronauts have very good resistance training onboard the ISS at this point. Some of them come back to earth stronger than they left. However, it turns out that your body also needs skeletal loading in order to produce strong bones. That kind of loading comes from having large forces distributed through the entire body. NASA tried a variety of shortcuts around resistance training, but none of them were satisfactory. A spinning drum is probably the best method short of artificial gravity, but it has a couple problems. A rotating reference frame creates some pretty non-intuitive effects ( [VIDEO] ). Research is ongoing about just how fast a human can be spun for a long duration, although data is hard to come by. We also don't know how low of a gravity a human can stay healthy in without intervention like serious exercise. If it turns out that you need 1G, that involves a much larger spinning drum than a G/3 (Mars) or G/6 (Moon) environment. The problem is that we really have no way to simulate those environments for a human.

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Sources

Video by Tom Scott, played through YouTube.

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