Mar 28 1980
From The Space Library
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(New page: NRL announced that one of its scientists, James C. Ritter, had received a patent on a radioisotope photoelectric generator to produce energy for spacecraft on missions to distant planets t...)
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NRL announced that one of its scientists, James C. Ritter, had received a patent on a radioisotope photoelectric generator to produce energy for spacecraft on missions to distant planets that would last for years without dependence on thermal heat or solar radiation. The generator, built like a storage battery, used low-energy photons from a radioactive source interacting with high atomic number material to eject photoelectrons. (NRL Release 80-3-80C)
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