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In fact, the water would act as a neutron moderator, speeding up the reaction. However, reactor pressure vessels are quite sturdy, and it would be very unlikely for the salt water to enter the pressure vessel.


If a nuclear bomb explodes very near the ground, the fallout is increased, as the bomb irradiates the surrounding dirt, however, the blast radius is decreased. On the other hand, if the bomb is detonated a reasonable distance above ground, then the fallout is greatly decreased, and the blast radius is increased. A bonus is the "double shockwave" AKA "Mach ...


Oh yes, particularly if we ever resurrect Project Orion, which works by tossing nukes out the back of the spacecraft and setting them off. https://en.wikipedia.org/wiki/Project_Orion_(nuclear_propulsion) It does, of course, take a pretty good buffer plate to absorb the momentum impulse. Using Tsar Bomba https://en.wikipedia.org/wiki/Tsar_Bomba as an upper ...


Yes, people use thermoelectrics as part of very-small-scale nuclear power generation systems, mainly in spacecraft: See Radioisotope Thermoelectric Generator. People do not normally call these things "nuclear power plants", but they are definitely a type of nuclear power generation.

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