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China Uses Giant Rail Gun to Shoot a Smart Bomb Nine Miles Into the Sky
(tech.slashdot.org)
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this post was submitted on 20 May 2024
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I wonder how much more energy it took to accomplish that compared to just shooting a rocket. Last I had heard railguns weren't really feasible because of the absurd amount of energy they would require even with perfect efficiency.
They're not feasible because of the erosion of the barrel with our current level of materials science.