The Huntingdon Accident was an antimatter containment accident localised to Huntingdon, a small city near Cambridge. It occurred in early 2181 after the abandonment of a convoy transporting approximately 10 mg of antihydrogen due to a flash thunderstorm. The accident prompted the tightening of safety protocols surrounding antimatter transportation, ensured strict liability for those in custody of antimatter, and mandated the use of hermetically sealed containment vessels that resisted environmental damage.
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