Science & Futurism with Isaac Arthur cover image

Anti-Gravity (Narration Only)

Science & Futurism with Isaac Arthur

00:00

Using a Gravity Laser to Make a Force Field

A gravity laser would be handy for ships moving very quickly through space, but it's also handy for pushing them up to speed too. A big repulsive beam is a nice defense against both high-speed space debris and actual attacks. Gravity has interesting and potentially useful effects on light and time. You could use gravity or anti-gravity to bend light away from you. If you can ratchet up gravity, you might be able to do the same in a controlled reactor.

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