Isidor Isaac Rabi

Julian Schwinger and Quantum Electrodynamics

Julian Schwinger and Quantum Electrodynamics

On February 12, 1918, US-american theoretical physicist and Nobel Laureate Julian Seymour Schwinger was born. Schwinger is best known for his work on the theory of quantum electrodynamics (QED), in particular for developing a relativistically invariant perturbation theory, and for renormalizing QED to one loop order. “Is the purpose of theoretical physics to be no more than a cataloging of all the things that can happen when particles interact with each other…
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Isidor Isaac Rabi and the Nuclear Magnetic Resonance

Isidor Isaac Rabi and the Nuclear Magnetic Resonance

On July 29, 1898, Polish-born American physicist and Nobel laureate Isidor Isaac Rabi was born. He is best known for his discovery of nuclear magnetic resonance, which is used in magnetic resonance imaging. He was also involved in the development of the cavity magnetron, which is used in microwave radar and microwave ovens. “My mother made me a scientist without ever intending to. Every other Jewish mother in Brooklyn would ask her child…
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Norman Ramsey and the Oscillatory Field Method

Norman Ramsey and the Oscillatory Field Method

On August 27, 1915, American physicist and Nobel Laureate Norman Foster Ramsey Jr. was born. Ramsey was awarded the 1989 Nobel Prize in Physics, for the invention of the separated oscillatory field method, which had important applications in the construction of atomic clocks. “You have to get a little untrapped from too much prior knowledge.” — Norman Foster Ramsey, Jr., explaining what’s the best way of thinking, in an oral history conducted…
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