4 ms·
Plutonium pits slowly transmute, and the emitted alpha particles are trapped and form helium bubbles. They have to be replaced periodically.
by mikewarot 2y ago
Plutonium pits slowly transmute, and the emitted alpha particles are trapped and form helium bubbles. They have to be replaced periodically.
- wdh505 2y agoI think the tritium "preignition" has to be replaced every 10 years.