Discoverer of Atomic Resonance : Isidor Rabi

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Radioactive substances constantly emit radiation. Elements like uranium, radium, thorium, and carbon are radioactive. The nuclei (centers) of atoms in these substances are unstable. Since they have too many protons, they try to become stable by releasing energy. During this process, the atoms experience constant vibrations. These vibrations happen in a consistent rhythm. The duration of these vibrations is called atomic resonance. This phenomenon was discovered by the scientist Isidor Rabi, for which he received the Nobel Prize in Physics in 1944.

Rabi was born on July 29, 1898, in a village in Galicia, Poland. Soon after his birth, his family moved to America. Rabi earned a BSc degree from Cornell University. In 1927, he did research with famous scientists like Niels Bohr and earned his PhD. After completing his studies, he became a professor at Columbia University and worked there throughout his life. He discovered atomic resonance in 1948. Rabi also worked on radar and the atom bomb at MIT (Massachusetts Institute of Technology). He served as a scientist in NATO’s military. He passed away on January 11, 1988.