Difficulty: Easy
Correct Answer: The first controlled, self-sustaining nuclear chain reaction (Chicago Pile-1)
Explanation:
Given data
Concept / Approach
On 2 December 1942, Enrico Fermi led the experiment that produced the world’s first controlled, self-sustaining nuclear chain reaction in Chicago Pile-1 beneath Stagg Field.
Final Answer
The first controlled nuclear chain reaction (Chicago Pile-1).
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