three reactors were built to extract plutonium (another element with atoms that could be split) from a non-fissionable type of uranium. Finally a lab for the design and construction of the bomb ...

The world’s first production scale reactor built at the Hanford nuclear site near Richland in Eastern Washington changed the ...

It produced the plutonium needed for the first Soviet nuclear bomb - which is why Moscow hid the accident for so long. It’s still impossible to know how many people died, because the Soviet ...

The first plutonium pits were created at the Los Alamos site for the Trinity test, which saw the world’s first detonation of ...

A simple uranium fission bomb is much easier to make than a hydrogen bomb or even a plutonium fission bomb, according to Alex Wellerstein, a nuclear weapons historian and professor at the Stevens ...

Once they accumulated enough fissionable material (U-235 or plutonium), it should not have been hard to make an atomic bomb. In quantities below a certain amount (the “critical mass ...

This plutonium atomic bomb was called Trinity and it marked the beginning of the nuclear age. Read about who invented it, how the tests went, and why humanity decided to create such a terrible weapon.

“The design and construction work on the proposed ... the DOE/NNSA environmental reviews of their plans to build new plutonium bomb cores for nuclear weapons at both Savannah River Site and ...

Terumi Tanaka was 13 when a U.S. warplane dropped a plutonium bomb on the southern Japanese city of Nagasaki, on Aug. 9, 1945. Sitting at home with a book that morning, Tanaka knew instantly when ...

One of the biggest small galleries tips its hat to its conceptual history, while bringing new artists and their market-friendly work into view. By Will Heinrich The central role of printmaking ...