By Selwyn Duke

The old quip about fusion is that it’s the energy of the future — and always will be. But this joke may now have to be retired, as scientists have achieved a fusion breakthrough that promises cheap, unlimited, clean energy. Such a development is so staggering that it would represent a seminal point in man’s history.

The breakthrough is the handiwork of Massachusetts Institute of Technology (MIT) scientists working in collaboration with the private company Commonwealth Fusion Systems (CFS). What they’ve achieved is the holy grail of their species of research: effecting a fusion reaction that creates more energy than it uses, something that, up until now, seemed to occupy the realm of unicorns.

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