Bill Gates-backed fusion startup Type One Energy has taken a concrete step toward commercial power generation, submitting the ...

Pacific Fusion says it has finally found a way to make its ambitious fusion reactor design affordable enough to build at ...

Experiments show fusion plasma can stay stable at higher densities by controlling reactor walls, challenging long-standing limits.

A host of startups are racing to achieve commercial fusion power. Zap Energy just drew a line in the sand after announcing its latest device recorded the highest-ever plasma pressures for its ...

Inside a fusion reactor, radiation levels are so intense they can destroy motors, melt materials, and cripple even the most advanced robotic systems. Now, two new machines built in the U.K. may have ...

Zap Energy’s three-meter reactor uses a lead-lithium liquid wall, cutting hardware needs and bringing cleaner, modular power ...

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Nuclear fusion promises a green and infinitely renewable supply of energy—if we can harness it. Fusion happens all the time inside the sun. But to recreate the process on Earth, we must control ...

Workers wear protective equipment in a cavernous hall that contains industrial equipment. The tokamak hall at Commonwealth Fusion Systems’ fusion energy facility in Devens, Massachusetts, will house ...

This early work laid the groundwork for today’s fusion experiments. More famously—or infamously—in 1989, two researchers claimed they had achieved “cold fusion” by running deuterium oxide through a ...