NASA is running short of plutonium-238, the fuel needed in deep space missions, because nuclear warhead production has slowed dramatically since the end of the Cold War. What do you think?


“If they don’t have any plutonium, maybe they could just use a bolt of lightning, like in Back To The Future.”

Francis Penn • Systems Analyst

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"This is really pretty simple: We need to start up the Cold War again. And while we're at it, let’s go back to leaded gasoline."

Christine Safrey • Elevator Inspector

"Can't we just microwave some plutonium-229?"

Alton Ramos • Road Grader