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Comparison
Fusion vs Small Modular Reactors
Both aim at firm, modular clean power — but SMRs are fission (spent fuel, proliferation, mined fuel) while fusion has no chain reaction and no long-lived waste.
- Both
- Firm, modular, low-carbon ambitions
- SMR
- Fission — spent fuel, proliferation, mined fuel
- Fusion
- No chain reaction, no long-lived waste, no fissile
- Kronos edge
- Low-neutron → even less activation
Small modular reactors (SMRs) and compact fusion share a strategy — firm, low-carbon power in factory-manufacturable units — but rest on opposite physics. SMRs are fission; fusion is not.
| Dimension | Fusion / SMR (fission) |
|---|---|
| Reaction | Fusion — no chain reaction / fission chain reaction |
| Meltdown risk | None (fails safe) / requires active safety systems |
| Waste | No long-lived spent fuel / long-lived spent fuel |
| Proliferation | No fissile material / requires safeguards |
| Fuel | Seawater + bred ³He / mined, enriched uranium |
SMRs have the advantage of being proven fission technology moving toward deployment; fusion is still being developed. But fusion's profile — no meltdown, no long-lived waste, no weapons material — is why it's often called the cleaner destination, and Kronos's low-neutron design sharpens that edge further.