Cambridge Heavy Industries Builds Desktop Fusion Device
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Key Takeaways
- Cambridge Heavy Industries developed a benchtop, laser-powered fusion device.
- The startup raised $6.2 million in a seed round led by Azolla Ventures.
- The reactor uses a unique two-laser system to achieve high compression with low power.
- The company plans to scale the technology into a commercial power plant within a decade.
Cambridge Heavy Industries, a stealth startup based near MIT, has developed a compact, benchtop laser-powered fusion device. Unlike massive industrial fusion facilities, this modular reactor enables rapid experimentation, allowing for dozens of daily test shots to refine designs using AI simulations.
The startup recently secured $6.2 million in seed funding led by Azolla Ventures. Its innovative approach uses a minimized number of lasers—specifically two main lasers—to compress a fuel target through precisely timed rings of light, generating high pressures with relatively low power.
Evolving from research at Keith Nelson's MIT lab, the technology aims to scale up into a commercial power plant within a decade. While the final commercial design will be larger than the current benchtop prototype, it remains significantly smaller than traditional fusion concepts.
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