Science & Futurism with Isaac Arthur cover image

Tethered Ring Space Launchers (Narration Only)

Science & Futurism with Isaac Arthur

00:00

How to Build a Tethered Ring

A tethered ring is lifted up and held up by its tethers, which can seem a bit counterintuitive. We have some visuals to explain this where we'll be putting up on the screen but for our audio-only listeners over on SoundCloud, Spotify, iTunes, Audible, Amazon Music, and others,. This might be a bit tricky to visualize. A big hoop around Earth would just land on the ground wherever as everywhere is down. Indeed, even a ring made of pure diamond would be as flexible as a rubber band at this scale. Much like water and hose, this will make the object rigid even though it's thousands of miles long.

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