The memo points to geopolitical strife as a reason behind increased urgency to modernize America's nuclear stockpile.
SEATTLE — New batches of plutonium-238 may become available to NASA starting in 2017, perhaps preventing feared shortages of this vital spacecraft power source. The United States has not produced ...
Add Yahoo as a preferred source to see more of our stories on Google. Apr. 22—The head of U.S. Strategic Command in rounds of congressional testimony this week described renewed plutonium pit ...
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Americium could be the game-changing fuel for deep space travel
A byproduct of aging nuclear weapons stockpiles could help power spacecraft on missions lasting decades. Americium-241, an ...
Deep space exploration, in which spacecraft travel to the outer reaches of our solar system or beyond, requires a whole lot of power. For NASA, a valuable source of this power is a radioactive ...
New batches of plutonium-238 may become available to NASA starting in 2017, perhaps preventing feared shortages of this vital spacecraft fuel. The United States hasn't produced plutonium-238 — a ...
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