b reactor

Hanford B Reactor
7:11 am
Fri September 26, 2014

70 Years Ago The First Full-Scale Nuclear Reactor Went Hot

When the B Reactor at Hanford began operating in September 1944, about 64,000 rods of metallic uranium, known as fuel elements, were placed inside the reactor core.
Credit U.S. Department of Energy

Seventy years ago Friday, an 11-month frenzied construction project went hot. It all happened in the remote southeast Washington desert.

Scientists pulled the control rods out of the first full-scale nuclear reactor at the Hanford Nuclear Reservation. The startup of B Reactor is one of the key moments in the dawn of the Atomic Age.

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