#OnThisDay: On August 4, 1956, India entered nuclear age when its first nuclear reactor, Apsara, achieved “criticality”, the moment a nuclear reactor sustains a self-perpetuating nuclear chain reaction. #MIG
#OnThisDay: On August 4, 1956, India entered nuclear age when its first nuclear reactor, Apsara, achieved “criticality”, the moment a nuclear reactor sustains a self-perpetuating nuclear chain reaction. #MIG