Bangladesh's Rooppur 1 Nuclear Reactor Reaches Criticality
Bangladesh's Rooppur 1 nuclear plant has reached criticality, a stage where its nuclear chain reaction becomes self-sustaining. Criticality is a key step on the way to running a reactor to produce electricity.
Context
Rooppur is being built with Russian technical help and is meant to add nuclear power to Bangladesh's grid, which has faced frequent power shortages. Bangladesh is one of South Asia's fastest-growing economies.