3 ms·

this question always pops up when i read stuff like this. Why are we never considering creating an artificial magnetic field? You could protect spaceships or se

this question always pops up when i read stuff like this. Why are we never considering creating an artificial magnetic field? You could protect spaceships or settlements on mars. How much power would be required for either those things and what's the deal-breaker? Getting the power?

T-A 10y ago
It has been considered. This, http://www.islandone.org/Settlements/MagShield.html http://www.islandone.org/Settlements/MagShield.html is from 1991, but AFAIK the magnets available then were not significantly worse than what we have now: https://en.wikipedia.org/wiki/Neodymium_magnet https://en.wikipedia.org/wiki/Neodymium_magnet