Editor’s note: This is part of a series called “The Day Tomorrow Began,” which explores the history of breakthroughs at UChicago ... whether it was possible to create and control a nuclear chain ...

as U-238 cannot sustain a nuclear chain reaction on its own. The auctioned kit also includes an original "Gilbert Atomic Energy Manual," a guide published by the US Atomic Energy Commission and US ...

Scientists have discovered that a piece of uranium extracted from an African mine is a two billion-year-old natural nuclear ...

They are all "subcritical," meaning that they simulate conditions inside a nuclear weapon without triggering a nuclear chain ...

History lecturer Dr James Sumner said while ... which induced and controlled a nuclear chain reaction, causing uranium atoms to continually split. These, and the earlier efforts of Rutherford ...

This elevated concentration was crucial as it allowed for a sustained nuclear chain reaction, something that ... in the context of Earth’s geologic history and possibly on other planets.

The path from Szilard’s idea to its deadly realisation is one of the most remarkable chapters in the history of science ... energy in a self-sustaining chain reaction. Szilard pursued the ...

achieved a controlled and sustained nuclear fission chain reaction. During the last months of the war, a small group of scientists working in secret under Diebner and with the strong support of ...

Since the emergence of COVID-19 in late 2019, the gold standard in testing for the disease has been a nuclear-derived technique: real-time reverse transcription–polymerase chain reaction, or real-time ...

and enough neutrons to zip about that allow for a nuclear chain reaction to begin and sustain itself. This is why natural nuclear fission reactors existed during the formative years of the Earth ...