physics

George Kistiakowsky – From the Manhattan Project to a Nuclear Weapons Ban

George Kistiakowsky – From the Manhattan Project to a Nuclear Weapons Ban

On November 18, 1900, Ukrainian-American physical chemist George Kistiakowsky was born. Kistiakowsky worked on developing the first atomic bomb but later advocated banning nuclear weapons. In the Manhattan project, he was in charge of X Division, which was responsible for the development of the explosive lenses necessary for an implosion-type nuclear weapon. Education and Academic Career George Bogdanovich Kistiakowsky went to the Russian Revolution in 1917 in Kiev and Moscow in private schools. However,…
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Heinrich Hertz and the Successful Transmission of Electromagnetic Waves

Heinrich Hertz and the Successful Transmission of Electromagnetic Waves

On November 13, 1886, German physicist Heinrich Hertz succeeded to transmit electromagnetic waves from a sender to a receiver in Karlsruhe. Hertz conclusively proved the existence of the electromagnetic waves theorized by James Clerk Maxwell’s electromagnetic theory of light.[4] The unit of frequency – cycle per second – was named the “hertz” in his honor. “The rigour of science requires that we distinguish well the undraped figure of Nature itself from the gay-coloured…
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John William Strutt and the Rayleigh Scattering

John William Strutt and the Rayleigh Scattering

On November 12, 1842, English physicist John William Strutt, 3rd Baron Rayleigh was born. Rayleigh with William Ramsay, discovered argon, an achievement for which he earned the Nobel Prize for Physics in 1904. He also discovered the phenomenon now called Rayleigh scattering, which can be used to explain why the sky is blue, and predicted the existence of the surface waves now known as Rayleigh waves. Education and the Theory of Sound…
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Sir Hermann Bondi and the Steady State Theory

Sir Hermann Bondi and the Steady State Theory

On November 1, 1919, Anglo-Austrian mathematician and cosmologist Sir Herman Bondi was born. Bondi is best known for developing the Steady State theory of the universe with Fred Hoyle [4] and Thomas Gold as an alternative to the Big Bang theory. Their model was rendered obsolete, when in 1965, Arno Penzias and Robert Wilson detected a background microwave radiation from all directions in space, as predicted by the “Big Bang” theory of creation…
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Homi J. Bhabha and the Indian Nuclear Programme

Homi J. Bhabha and the Indian Nuclear Programme

On October 30, 1909, Indian nuclear physicist Homi J. Bhabha was born. Bhabha is often referred to as known as “father of the Indian nuclear programme“. With support from industrialist Dorabji Jamsetji Tata, he established the Tata Institute of Fundamental Research in Bombay (1945) for large scale research in physics, chemistry, electronics and mathematics. He envisioned nuclear power from thorium instead of uranium reserves. Education Homi Jehangir Bhabha went to school in Bombay, including Elphinstone…
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Laura Bassi – the first Woman with a University Chair

Laura Bassi – the first Woman with a University Chair

Between October 20 and October 29, 1711, Italian physicist and academic Laura Maria Caterina Bassi was born. Bassi is referred to as being the first woman to earn a professorship in physics at a university in Europe and is recognized as the first woman in the world to earn a university chair in a scientific field of studies. She contributed immensely to the field of science while also helping to spread the…
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Charles Proteus Steinmetz and the Alternating Current

Charles Proteus Steinmetz and the Alternating Current

On October 26, 1923, German-born American mathematician and electrical engineer Charles Proteus Steinmetz passed away. Steinmetz fostered the development of alternating current that made possible the expansion of the electric power industry in the United States, formulating mathematical theories for engineers. He made ground-breaking discoveries in the understanding of hysteresis that enabled engineers to design better electromagnetic apparatus equipment including especially electric motors for use in industry. “The scientist is contented if…
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Faster than the Speed of Light – Ilya Frank and the Cherenkov Radiation

Faster than the Speed of Light – Ilya Frank and the Cherenkov Radiation

On October 23, 1908, Soviet physicist Ilya Mikhailovich Frank was born. Frank received the Nobel Prize for Physics in 1958 jointly with Pavel Alekseyevich Cherenkov and Igor Y. Tamm for his work in explaining the phenomenon of Cherenkov radiation, an electromagnetic radiation emitted when a charged particle (such as an electron) passes through a dielectric medium at a speed greater than the phase velocity of light in that medium. Family Background and…
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Friedrich Kohlrausch and the Conductive Properties of Electrolytes

Friedrich Kohlrausch and the Conductive Properties of Electrolytes

On October 14, 1840, German physicist Friedrich Wilhelm Georg Kohlrausch was born. Kohlrausch investigated the conductive properties of electrolytes and contributed to knowledge of their behaviour. He also investigated elasticity, thermoelasticity, and thermal conduction as well as magnetic and electrical precision measurements. Youth and Education Friedrich Kohlrausch was born in Rinteln, Germany, the son of Rudolf Kohlrausch, a physicist who introduced the relaxation phenomena and used the stretched exponential function to explain relaxation…
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Pieter Zeeman and the Zeeman Effect

Pieter Zeeman and the Zeeman Effect

On October 9, 1943, Dutch physicist Pieter Zeeman passed away. Zeeman shared the 1902 Nobel Prize in Physics with Hendrik Lorentz for his discovery of the Zeeman effect, the effect of splitting a spectral line into several components in the presence of a static magnetic field. Youth and Education Pieter Zeeman was born on 25 May 1865 in Zonnemaire, a small town on the island of Schouwen-Duiveland, Netherlands, to Catharinus Forandinus Zeeman, a minister of…
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