| Recent Answers from Steve Nelson |
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2008-11-30 400 nm laser pumped by aneutronic fusion -- possible?: When you're talking about laser power of that magnitude, the wavelength doesn't matter as much as the sheer power. A few watts of electricity is relatively harmless, a few watts of laser power is ridiculously...
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2008-11-30 400 nm laser pumped by aneutronic fusion -- possible?: I know what a pump is, but thanks for the clarification. :) Aneutronic fusion is a theoretical (in this case, most likely possible but still unproven as a physical example) energy source. Any such...
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2008-07-02 Questions about aneutronic laser fusion.: The National Ignition Facility uses lasers of close to that wavelength (350 nm), 192 of them, with a total of 2 MJ of power. It's estimated that you need approximately 10-45 times that much power (depending...
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2008-01-15 Values of Half Thickness: First, vacuum is the absence of matter. It will block sound and direct heat transfer, because these require matter to transport them. Radiation, however, will be completely unblocked in any way. The...
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2007-12-27 Is neutron-neutron fusion easier to facilitate than proton-proton fusion?: Easier to fuse, yes, but the dineutron is unbound. Unless you could somehow get one of them to decay into a proton-electron-neutrino at exactly the femtosecond they collide and feel each other's strong...
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