Helium-3 (3He) is a gas that can be utilized as a fuel in future nuclear fusion power plants. Furthermore, it can be used to produce Electricity. One hundred kilos (220 pounds) of helium-3 is valued at roughly $140 million. One hundred kilograms is more than enough fuel to operate a 1000 megawatt electric plant for a year. Just 2.2 pounds (one kilogram) of helium-3 combined with 1.5 pounds (0.67 kilograms) of deuterium yields 19 megawatt-years of energy. Roughly 25 tons of the chemical could power the United States for a year.

Helium-3 is a primordial nuclide that has been escaping from the Earth’s crust into the atmosphere and subsequently into space for millions of years. The fusion of helium-3 atoms delivers a considerable amount of energy without radioactivity in the surrounding material.

Due to its low atomic mass of 3.02 atomic mass units, helium-3 shows distinctive physical properties. As a result, helium-3 may overcome dipole-dipole interactions while squandering less thermal energy.

In neutron detection instrumentation, helium-3 is an essential isotope. It is employed as a converter gas in neutron detectors due to its large absorption cross-section for thermal neutron beams.

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