Uranium produced in St. Louis was used for the secretive Manhattan Project. Leftover waste was dumped around the city.

The Army Corps of Engineers has been cleaning up radioactive contamination near St. Louis since the 1990s, but their efforts ...

The physicist who won guessed 18 kilotons, closest to the 20-kiloton explosion ... a nuclear chain reaction. As a result of this letter, Roosevelt took action, resulting in the Manhattan Project.

Learn more here. In 1942, the Manhattan Project needed to create a chain reaction—a crucial step toward proving that it would be possible to make an atomic bomb. The scientists achieved this sustained ...

A nuclear explosion might eventually be Earth’s only way to protect itself from a dangerous asteroid. But preparing for that ...

With the War Department’s gratitude, Iowa State and Wilhelm both received the Army Navy "E for Excellence" banner. Iowa State ...

On October 4, 1957, the USSR launched Sputnik I, the first artificial satellite in history, into orbit. That program would ...

This event, the result of the Manhattan Project, ushered in a new era ... which could cause an accidental explosion. The design of nuclear weapons aims to create a supercritical mass of fissile ...

ushering in the nuclear age at a test site called Trinity. For years, the story of that name remained untold, for good reason. Robert Oppenheimer, director of the Manhattan Project and its top ...

the Manhattan Project, the bombing of Hiroshima and Nagasaki and the end of the war, the Cold War and anti-communism, arms control, the nuclear age, the relationship between the military and the ...

At that moment I reminded myself to send the book, “Wilhelm’s Way — The Inspiring Story of the Iowa Chemist Who Saved the Manhattan Project” to the submarine commander of the nuclear ...