Startup · United States
Cambridge Heavy Industries
HQ Cambridge, Massachusetts
Cambridge, Massachusetts startup that came out of stealth in 2026 with a benchtop fusion device, and raised a $6.2 million seed round led by Azolla Ventures.
Capabilities1
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Nuclear energy and propulsion | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Benchtop fusion device startup; fusion energy is the sector, but no defense use is stated and the description is brief. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Benchtop fusion device startup; fusion energy is the sector, but no defense use is stated and the description is brief.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
Sources1
- 1
TechCrunch · Oct 13, 2026 · Supports Organization · description, Organization · hq city
“a startup in Cambridge, Massachusetts, has been quietly building a device that can fit on a tabletop”
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