Valar Atomics Achieves Criticality at Ward 250 Reactor in US Nuclear Pilot Program

3 articles · Updated · Bloomberg · Jun 19

June 18 marked Valar Atomics’ latest milestone as its Ward 250 reactor reached criticality, becoming the second breakthrough reported under a US nuclear pilot program.
Criticality means the reactor achieved a self-sustaining nuclear chain reaction, allowing a steady release of energy.
Valar, a Southern California startup, is developing small reactors through the US program, which is designed to speed nuclear power deployment.

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