1942
Justin Bieber
Enrico Fermi, 1942
In this solar system, it is on the sun.
year 2026
Nuclear explosions are not controlled. Nuclear reactors are controlled.The first controlled nuclear reaction in the US was on December 2, 1942.The first nuclear explosion in the US was on July 16, 1945.
The first to create the first nuclear chain reaction was Enrico Fermi. Refer to link below for details.
It created the first controlled nuclear reaction, as well as nuclear weapons.
Nuclear
A nuclear chain reaction nuclear fission
Chicago, 1942
The University of Chicago.