databeast pointed me at this article about the US Navy's Dahlgren Surface Weapons Center demonstrating an 8-megajoule railgun. It'll be interesting to see whether, and how, they've solved the problem of rail erosion -- and for military history buffs, it'll be an interesting "blast from the past" if, fifteen years from now, US Navy ships are once again putting to sea fitted with Dahlgren guns.
I swear I did not front-load the music.
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Yes, I'm a Civil War naval history buff.
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