Recent content by EthanNino

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    Shooting blocks of Uranium from planet to planet

    Say the block was adequately heat shielded so that it could survive the launch and reentry. Would the force of impact be enough to trigger a fission reaction? Also, I thought the fallout had a relatively short half life, right...
  2. E

    Shooting blocks of Uranium from planet to planet

    This idea stems from the Pascal B nuclear test, which placed a 900kg steel plate over a shaft in where a nuclear explosive was detonated: http://en.wikipedia.org/wiki/Operation_Plumbbob#Propulsion_of_steel_plate_cap The plate shot up at an estimated 66km/s, or 6x escape velocity. Say you...
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    Electrohydrodynamic 'Skin' On Aerodynamic Bodies

    Hey ya'll! I've come to the Physics Forum when I needed help with homework, but only to observe. This is my first time posting, and I'm glad to be here! I've got a question about, electrohydrodynamics. Recently, Elon Musk put forth his idea for the Hyperloop. For those who don't know...
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