The Sun has fueled life on Earth for billions of years, creating light and heat through nuclear fusion. Given that incredible power and longevity, it seems there can hardly be a better way to generate energy than by harnessing the same nuclear processes that occur in our own and other stars.

Nuclear fusion reactors aim to replicate this process by fusing hydrogen atoms to create helium, releasing energy in the form of heat. Sustaining this at scale has the potential to produce a safe, clean, almost inexhaustible power source.

The quest began decades ago, but could a long-running joke that nuclear fusion is always 30 years away soon start to look old?

Click for the full article at El Pais

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