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Princeton Plasma Physics Laboratory has constructed a fusion reactor from parts it 3D-printed and bought off the shelf.


The Princeton Plasma Physics Laboratory’s nuclear-fusion reactor points to a possible zero-carbon future.

Microsoft is reviving Three Mile Island, Amazon is investing $500 million in small modular nuclear reactors with hopes of powering its data centers, and Google has plans to do the same. Small modular reactors are a new technology and though they’re supposed to be safer and smaller than the original gigantic cooling tower nightmares we’re familiar with, they’re still going to generate toxic waste. Once the design validations are complete, we will begin the construction of our pilot plant to put fusion electrons on the grid,” Type One CEO Chris Mowry told IEEE Spectrum.

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