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#154 – Avi Loeb: Aliens, Black Holes, and the Mystery of the Oumuamua
Lex Fridman Podcast
A Space Exploration Using a Light Sail
There was no sign of a comet evaporating. The only thing I could think is that the sunlight reflects off the surface and gives it a push, just like you get a push on a sail on a boat from the wind reflecting off it. It turns out the object needs to be extremely thin. Nature does not produce such things. So but we produce it because it's called the technology of a light sail. We are exploring this technology for space exploration.
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