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Scientists and big-name investors like Sam Altman, Jeff Bezos and Bill Gates are placing their bets on nuclear technology that could essentially recreate a star on earth.

Yahoo Finance’s Akiko Fujita gets an exclusive look at the country’s largest magnetic fusion facility, DIII-D, where researchers are chasing clean energy through a process called nuclear fusion.

Unlike traditional nuclear fission, which splits a large atom apart, fusion smashes two atoms together – producing massive amounts of renewable energy without the release of harmful waste.

Tucked inside the heart of the operation lies the “tokamak.” The stakes are high in this vacuum chamber where temperatures can reach about ten times the core of the sun.

In order to commercialize, nuclear fusion facilities need to generate more energy than the amount of energy it takes to create a reaction. Success here can take us one step closer to charging our world through limitless power.

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