Search results
Paul Langevin (/ l æ n ʒ ˈ v eɪ n /; French: [pɔl lɑ̃ʒvɛ̃]; 23 January 1872 – 19 December 1946) was a French physicist who developed Langevin dynamics and the Langevin equation. He was one of the founders of the Comité de vigilance des intellectuels antifascistes, an anti-fascist organization created after the 6 February 1934 far ...
Feb 13, 2024 · Paul Langevin was a prominent French physicist and a pioneering mind in statistical physics and quantum mechanics. His wartime invention of sonar technology marked a significant advancement in naval defense and ultrasonic applications.
May 14, 2018 · Langevin completed his doctoral dissertation in 1902 at the Sorbonne. It dealth with ionized gases and was based on investigations he had begun at Cambridge. After being named Préparateur to Edmond Bouty at the Sorbonne, Langevin entered the Collége de France in 1902 to substitute for E. E. N. Mascart, whom he replaced in 1909.
Jan 24, 2024 · Paul Langevin, a French physicist, was born Jan. 23, 1872. Langevin studied under Pierre Curie in Paris before Pierre's unfortunate death in 1906, and afterwards taught physics at the Collège de France.
Nov 1, 2022 · Created in 1917 to detect German U-boats, Paul Langevin’s piezoelectric quartz transducer remains the foundation of all modern ultrasonic techniques.
From 1915 to 1918, Paul Langevin demonstrated the feasibility of using piezoelectric quartz crystals to both transmit and receive pulses of ultrasound and thereby detect submerged submarines at ranges up to 1300 metres. The system, later called sonar, validated Constantin Chilowsky's proposal to use ultrasound for this purpose.
Dec 19, 2022 · Langevin, who would join the Collège de France in 1902, came to focus his research on the theory of the electron, and then, during World War I, on developing ultrasound techniques to detect German submarines (see the article by Francis Duck, Physics Today, November 2022, page 42 ).
Langevin's Discoveries. Langevin is best known for his contributions to the theory of magnetism and the development of Langevin dynamics. His pioneering work on the behavior of magnetic materials at different temperatures significantly advanced our understanding of magnetism.
Oct 1, 2022 · 2022 marks the 150 th Anniversary of the birth of Paul Langevin, the originator of ultrasonics. He was born, lived, and died in Paris. His parents were of modest means. He was a humanist and a rationalist.
Jan 23, 2022 · On January 23, 1872, French physicist Paul Langevin was born. He is best known for having developed Langevin dynamics and the Langevin equation. Being a public opponent against fascism in the 1930s resulted in his arrest and consequently he was held under house arrest by the Vichy government for most of the war.
