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swampwiz
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Here is a video that dicsusses it, but it sounds awfully science-fictiony to me.
Black-hole propulsion is a theoretical concept that involves using the immense gravitational pull of a black hole to accelerate a spacecraft to incredibly high speeds. The idea is that the spacecraft would orbit the black hole and use its energy to slingshot itself forward.
At this time, black-hole propulsion is purely theoretical and has not been proven to be possible. While the laws of physics do allow for the concept to work in theory, there are many practical challenges that would need to be overcome before it could be implemented.
One major challenge is the extreme gravitational forces near a black hole, which could tear apart any spacecraft attempting to get close enough to use its energy. Additionally, accurately navigating and controlling a spacecraft in the vicinity of a black hole would be extremely difficult.
There have been several proposed methods for achieving black-hole propulsion, including using a large rotating black hole as a source of energy or creating a "mini" black hole that could be controlled and used for propulsion. However, these methods are still purely theoretical and have not been tested.
While black-hole propulsion is an intriguing concept, it is currently not considered a feasible form of interstellar travel due to the many challenges and uncertainties involved. Other forms of propulsion, such as nuclear fusion or antimatter engines, are currently being researched as potential options for interstellar travel.