Going critical
Meaning
To reach a crucial point where a situation becomes self-sustaining, irreversible, and often rapidly uncontrollable or dangerous.
Origin
The phrase "going critical" burst into the lexicon from the cutting-edge world of nuclear physics in the mid-20th century. It describes the precise moment within a nuclear chain reaction when the rate of neutron production becomes self-sustaining, meaning each fission event triggers at least one more, leading to an exponential release of energy. The first controlled "criticality" was achieved by Enrico Fermi and his team at the University of Chicago in 1942, marking a pivotal moment in the development of atomic energy. From this highly specific scientific context, the phrase quickly spread, evolving into a potent metaphor for any situation that reaches an irreversible tipping point, becoming uncontrollable and often dangerous, much like a runaway chain reaction.
Examples
- The project team realized their technical debt was going critical after several major system failures and delays.
- With public trust eroding rapidly, the political scandal was going critical and threatened to bring down the entire administration.