You can not be really very sure how many are left, because when there is war, they will just make more atom bombs if they need some more.
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Completely wrong. If the U.S. and Russia fought a nuclear war, the war would be over in a couple of hours at most and it takes months to manufacture a nuclear weapon. Also the war damage to the nuclear weapons production system would take years to repair before any manufacturing could begin again. There would be no chance to make any more.
If the nuclear war was fought by other countries, perhaps they could make more but all the other countries nuclear weapons put together are less than 1/4 of those that either the U.S. or Russia have.
No nuclear weapons from that era remain. The last MK-III bombs were recycled to make MK-4 or MK-5 bombs by the early 1950s.
there were two types of nuclear bombs. A "gun type" bomb and an implosion type one with a plutonium core
Two.
40,000
Two
At this time the US builds no nuclear bombs. A small number of existing bombs are refurbished as needed.
No nuclear bombs were tested on Easter Island.
No nuclear weapons from that era remain. The last MK-III bombs were recycled to make MK-4 or MK-5 bombs by the early 1950s.
none, australia is not a nuclear power
None
in many places
Well, to my research there hasn't been any nuclear bombs, Aussie has built.
Some bombs are nuclear. But most bombs are not nuclear.
Russia has roughly 3500 nuclear warheads at the time of this writing and the number is slowly falling.
there were two types of nuclear bombs. A "gun type" bomb and an implosion type one with a plutonium core
2
Two.