Can you take something out of a black hole?
You probably can’t pull out any space trash or stars but you can definitely extract energy!
via SyFy
A new paper has come out showing how magnetic fields can be used to extract huge amounts of energy from a black hole, and may power some astrophysical phenomena we see around them. It’s not exactly easy, and it’s not like you’ll be able to charge up your phone or heat your house with this technique (more like you’d vaporize them down to their constituent subatomic particles which would then be accelerated outwards at very near the speed of light*), but it’s still extremely cool.
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