The Halo Drive, using a laser to gain fuel free relativistic propulsion from a black hole. By shooting a laser close to the event horizon of a black hole, Dr. David Kipping’s conceptual star drive could lead to traveling across the milky way from one black hole to another as well as techno signatures from advanced civilizations that might already be using this intergalactic relay system.
The halo drive: • the halo drive.
Cool Worlds — YouTube: / @coolworldslab.
Cool Worlds:
http://coolworlds.astro.columbia.edu/
Kipping, David (2018), \
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