Leo Szilard

Now I am become Death, the Destroyer of Worlds – The Trinity Test

Now I am become Death, the Destroyer of Worlds – The Trinity Test

On July 16, 1945, the first detonation of a nuclear device with the code name Trinity took place in the Jornada del Muerto desert in New Mexico. Although nuclear chain reactions had been hypothesized already in 1933 and the first artificial self-sustaining nuclear chain reaction (Chicago Pile-1) had taken place in December 1942, the date of the Trinity test is usually considered to be the beginning of the Atomic Age. Los Alamos director…
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The First Self-Sustained Nuclear Chain Reaction

The First Self-Sustained Nuclear Chain Reaction

On December 2, 1942, during the Manhattan Project, a team led by Italian born physicist Enrico Fermi initiated the first self-sustaining nuclear chain reaction in the Chicago Pile-1 (CP-1), the world‘s first human-made nuclear reactor, and initiated the so-called atomic age. CP-1 was built on a rackets court, under the abandoned west stands of the original Alonzo Stagg Field stadium, at the University of Chicago. Nuclear Chain Reaction and the Atomic Bomb…
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Leo Szilard and the Atomic Bomb

Leo Szilard and the Atomic Bomb

On February 11, 1898, Hungarian-American physicist and inventor Leo Szilárd was born. He conceived the nuclear chain reaction in 1933, patented the idea of a nuclear reactor with Enrico Fermi, and in late 1939 together with Albert Einstein wrote the letter that resulted in the Manhattan Project that built the atomic bomb. He also conceived the electron microscope, the linear accelerator, and also the cyclotron. Szilárd was born in Budapest, Hungary, as son of Louis Spitz, a…
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Eugene Wigner and the Structure of the Atomic Nucleus

Eugene Wigner and the Structure of the Atomic Nucleus

Eugene Paul Wigner (1902-1995) On November 17, 1902, Hungarian American theoretical physicist and mathematician Eugene Paul Wigner was born. He is best known for for his contributions to the theory of the atomic nucleus and the elementary particles, particularly through the discovery and application of fundamental symmetry principles for which he shared the 1963 Nobel Prize in Physics with Maria Goeppert. Wigner’s thesis Bildung und Zerfall von Molekülen (“Formation and Decay of Molecules”) was supervised…
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