00:00There are several types of nuclear propulsion.
00:03The most well known is nuclear thermal propulsion, like in the NASA NERVA project in the 1960s.
00:11Yes, NASA spent over two decades trying to develop such an engine back then.
00:17Here a nuclear reactor, usually with highly enriched uranium, heats liquid hydrogen up
00:24to 3000 degrees.
00:25The hot gas shoots through a nozzle and generates thrust.
00:30This makes remarkably high efficiency possible.
00:35Because the steam is used for this process, such propulsion systems usually require a propellant
00:42supply.
00:43We know this process as refueling.
00:46Although a single fuel is completely sufficient, fuel is still consumed in larger quantities.
00:55And also this is a real science device.
00:56And really using, in terms of equipment, for light, energy, energy, energy, energy, energy, energy, energy, energy, energy and energy.
00:57In the sense of a nuclear göt energy, energy, energy energy, energy, energy, energy energy, energy, energy, energy, energy.
00:58You can see all this.
00:58You
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