Private investors are now actively trying to commercialize an advanced form of nuclear energy and one that would leave no environmental footprint while also delivering electricity to the world’s expanding population. At issue is nuclear fusion, which has been an elusive concept for six decades but which one firm hopes to makes real by 2025.

Tri Alpha Energy, which has backing from a founder of Microsoft Corp. and which uses Google’s algorithms to better mold plasma that is at the core of the fusion technology, says that the concept can be mastered. Basically, the goal is to fuse atoms together, which requires intense heat levels. If it could be commercialized, the result would produce10 million times more power than a conventional power plant — without CO2 emissions and without radioactive materials.

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