There’s only one fusion device on earth that has been able to meet a key scientific threshold , but Martime Fusion CEO Justin Cohen is already preparing to put a fusion reactor on a boat.

Stay with me — it’s not entirely far-fetched. Thanks to advances in AI, computing, and superconducting magnets , fusion power is closer than ever to commercial reality. It’s increasingly looking like fusion is more a question of “when” not “if.” And when it does happen, it promises to deliver large amounts of clean power from a plentiful fuel source — water.

Putting a reactor on a ship isn’t necessarily unreasonable, either. Today, submarines and aircraft carriers powered by nuclear fission reactors routinely prowl the seas. They’re quiet, powerful, and can operate for decades before they need refue

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