Fusion has an amazing future as a source of energy. Which is to say, in space craft beyond the orbit of Jupiter, sometime in the next two centuries. Here on Earth? Not so much. At least, that’s my opinion.
Nuclear electrical generation has 2.5 paths. The first is nuclear fission, the part that is the major electrical generation source that provides about 10% of the electricity in the world today. The 0.5 is radioisotope thermoelectric generator, where a tiny chunk of decaying radioactive material is used with a thermocouple to provide electricity to space probes. If you read or saw The Martian, that’s what he dug out of the pit and put in his jury-rigged long-distance Mars buggy.
And then there’s fusion. Where fission splits atoms, fusion merges them. Instead of radioactive…
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