India's Most Advanced Atomic Reactor Reaches Milestone, Attains Criticality

Criticality refers to the point at which a reactor achieves a self-sustaining nuclear fission reaction, where the number of neutrons produced is sufficient to keep the reaction going without external intervention Criticality refers to the point at which a reactor achieves a self-sustaining nuclear fission reaction, where the number of neutrons produced is sufficient to keep the reaction going without external intervention