Search Results for: label/physics

Felix Bloch and the Nuclear Magnetic Resonance Method

Felix Bloch and the Nuclear Magnetic Resonance Method

Felix Bloch (1905 – 1983) Image: Stanford University / Courtesy Stanford News Service On October 23, 1905, Swiss-born American physicist Felix Bloch was born. He is best known for his investigations into nuclear induction and nuclear magnetic resonance, which are the underlying principles of MRI. He was awarded the 1952 Nobel Prize in Physics for developing the nuclear magnetic resonance (NMR) method of measuring the magnetic field of atomic nuclei. Felix Bloch was educated…
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Henry Cavendish and the Weight of the Earth

Henry Cavendish and the Weight of the Earth

Drawing of torsion balance device used by Henry Cavendish in the ‘Cavendish Experiment‘ On October 10, 1731, British natural philosopher Henry Cavendish was born. A scientist as well as an important experimental and theoretical chemist and physicist, Cavendish is noted for his discovery of hydrogen or what he called “inflammable air“. Most notably, he determined the mass and density of the Earth. Henry Cavendish was born in Nice and attended a private school…
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Victor Franz Hess and the Cosmic Radiation

Victor Franz Hess and the Cosmic Radiation

Hess back from his balloon flight in August 1912 On August 7, 1912, Austrian physicist Victor Franz Hess provided evidence of a high-altitude radiation in one of his balloon rides, which later was called cosmic radiation. Together with Carl Anderson, he received the 1936 Nobel Prize in Physics for the discovery of cosmic radiation. Victor Franz Hess was educated in Graz, Austria. There, he attended the grammar school and the University of Graz.…
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John Wheeler and the Golden Age of General Relativity

John Wheeler and the Golden Age of General Relativity

Eckehard W. Mielke together with John Archibald Wheeler in 1985 Image: Eckard Mielke On July 9, 1911, American theoretical physicist John Archibald Wheeler was born. Wheeler worked with Niels Bohr in explaining the basic principles behind nuclear fission as well as with Albert Einstein, with whom he tried to achieve Einstein’s vision of a unified field theory. He is also known for popularizing the term black hole, and for coining the terms quantum foam,…
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Hans Bethe and the Energy of the Stars

Hans Bethe and the Energy of the Stars

Hans Bethe interviewed by journalists (1906 – 2005) On July 2, 1906, German and American nuclear physicist and Nobel Laureate Hans Albrecht Bethe was born. Bethe helped to shape classical physics into quantum physics and increased the understanding of the atomic processes responsible for the properties of matter and of the forces governing the structures of atomic nuclei. Hans Bethe entered the University of Frankfurt in 1924, majoring in chemistry. However, after a…
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Charles Augustin de Coulomb and the Electrostatic Force

Charles Augustin de Coulomb and the Electrostatic Force

Charles Augustin de Coulomb (1736 – 1806) Portrait by Hippolyte Lecomte On June 14, 1736, French physicist Charles Augustin de Coulomb was born. He is best known for developing Coulomb’s law, the definition of the electrostatic force of attraction and repulsion, but also did important work on friction. The SI unit of electric charge, the coulomb, was named after him. Charles Augustin de Coulomb received a good education in mathematics, astronomy, chemistry and botany…
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J. J. Thomson and the Electron

J. J. Thomson and the Electron

J. J. Thomson (1856 – 1940) On April 30, 1897, English physicist Joseph John Thomson gives the first experimental proof of the electron, which had been already theoretically predicted by Johnstone Stoney. Thomson was awarded the 1906 Nobel Prize in Physics for the discovery of the electron and for his work on the conduction of electricity in gases. Joseph John Thomson was born in 1856 in Manchester, England and was taught mainly in…
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The Quantum Hall Effect

The Quantum Hall Effect

Klaus von Klitzing On February 5, 1980, German physicist Klaus von Klitzing discovered the Quantum Hall Effect in the high field magnet laboratory of Grenoble, France, for which he wss granted the 1985 Nobel Prize in Physics. OK, today we have a topic that is a little bit complicated to explain, at least to us being non-physicists. Let’s start with the ‘traditional’ Hall effect. The Hall effect is the production of a voltage difference…
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There’s Plenty of Room at the Bottom

There’s Plenty of Room at the Bottom

Richard Feynman On December 29, 1959, American physicist and Nobel Laureate Richard Feynman at an American Physical Society meeting at Caltech gave a presentation entitled ‘There’s Plenty of Room at the Bottom‘, which is generally considered to be a seminal event in the history of nanotechnology, as it inspired the conceptual beginnings of the field decades later. At yovisto blog, Richard Feynman already is some sort of an old acquaintance. Not only…
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Otto von Guericke and the Horror of Vacuum

Otto von Guericke and the Horror of Vacuum

Caspar Schott’s illustation of the vacuum experiment On November 30, 1602, German scientist, inventor, and politician Otto von Guericke was born. One of his major scientific achievements was the establishment of the physics of vacuums, which he gave proof of in a very famous public experiment. Otto von Guericke enrolled at the University of Leipzig in 1617 and continued his studies in law and engineering later on in Helmstedt, Jena, and Leiden.…
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