The B Reactor at the Hanford site was the world’s first full-scale nuclear reactor. Here, scientists and engineers pioneered the technology behind nuclear reactors.

The visit begins with a presentation at the front face, when a guide explains how the reactor was operated and what tools and equipment were used. Armed with a paper map, you then have time for a ...

B Reactor also produced plutonium for the atomic bomb dropped on Nagasaki, Japan, Aug. 9, 1945, just weeks after the Trinity Test. Japan surrendered Aug. 15, 1945, ending World War II.

After a blockbuster start to the 2024 tour season for Hanford’s historic B Reactor, the Department of Energy has agreed to extend the season through October rather than shutting down for repairs ...

If you’ve been planning to tour Hanford’s historic B Reactor, part of the Manhattan Project National Historical Park, don’t procrastinate. After the current tour season ends Nov. 18, no more ...

HANFORD SITE — A clock centered high on a big control panel inside the B Reactor National Historic Landmark says it's 10:48. At this particular time, it isn't.

Washington Gov. Jay Inslee sits at the controls for Hanford’s historic B Reactor in July 12, 2024. It was his first look inside the reactor, part of the Manhattan Project National Historical Park.

B Reactor also produced plutonium for the atomic bomb dropped on Nagasaki, Japan, Aug. 9, 1945, just weeks after the Trinity Test. Japan surrendered Aug. 15, 1945, ending World War II.