Unverified50% confidenceFactExact time
The U.S. Department of Energy (DOE) accumulated a helium-3 stockpile due to the decay of tritium in nuclear warheads during the Cold War, and sells it as a byproduct to scientific and industrial users.
1
Sources
50%
Confidence
Long-term
Relevance
10/12/2026
First Seen
Sources
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