2 ms·

But see eg the Demon Core https://en.wikipedia.org/wiki/Demon_core https://en.wikipedia.org/wiki/Demon_core or the Kramatorks accident https://en.wikipedia.org

• HarryHirsch 7y ago
  Or the "radioactive gold" incident in NY State, when someone melted down gold radiotherapy seeds, and that's how the regional jewelry gold supply became contaminated. The government even issued public advisory posters, it was bad: https://www.orau.org/ptp/collection/hpposters/goldjewelry.htm https://www.orau.org/ptp/collection/hpposters/goldjewelry.ht...