Albert Einstein

Wilhelm Wien and the Distribution Law for Blackbody Radiation

Wilhelm Wien and the Distribution Law for Blackbody Radiation

On January 13, 1864, German physicist Wilhelm „Willy“ Carl Werner Otto Fritz Franz Wien, known as Wilhelm Wien, was born. He primarily researched the laws of thermal radiation and was awarded the Nobel Prize in Physics in 1911 for his work. Wilhelm Wien – Early Years Wien was born at Gaffken near Fischhausen, Province of Prussia (now Primorsk, Russia) as the son of landowner Carl Wien. In 1866, the Wien family, including Wilhelm,…
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Satyendra Nath Bose and the Einstein-Bose Statistics

Satyendra Nath Bose and the Einstein-Bose Statistics

On January 1, 1898, Bengali Indian physicist Satyendra Nath Bose was born. Specialising in mathematical physics, Bose is best known for his work on quantum mechanics in the early 1920s, providing the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate. The class of particles that obey Bose–Einstein statistics, bosons, was named after Bose by Paul Dirac. “You don’t know who he was? Half the particles in the universe obey…
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Max Born and the statistical interpretation of the Wave Function

Max Born and the statistical interpretation of the Wave Function

On December 11, 1882, German physicist, mathematician, and Nobel Laureate Max Born was born, who was instrumental in the development of quantum mechanics. He also made contributions to solid-state physics and optics and supervised the work of a number of notable physicists in the 1920s and 1930s. “Can we call something with which the concepts of position and motion cannot be associated in the usual way, a thing, or a particle? And if…
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Jean Baptiste Perrin and the Brownian Motion

Jean Baptiste Perrin and the Brownian Motion

On September 30, 1870, French physicist Jean Baptiste Perrin was born. In his studies of the Brownian motion of minute particles suspended in liquids, Perrin verified Albert Einstein’s explanation of this phenomenon and thereby confirmed the atomic nature of matter. Jean Baptiste Perrin – Biographical Background Jean Baptiste Perrin was born in Lille, France, while his father, Captain Jean Baptiste Perrin, wounded at the battle of Saint-Privat, was locked up in Metz…
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The first Observation of Gravitational Waves

The first Observation of Gravitational Waves

On September 14, 2015, the LIGO Scientific Collaboration observed gravitational waves from a 410 megaparsec (1.3 billion light years) distant merger of two black holes. Previously, gravitational waves had only been inferred only indirectly, via their effect on the timing of pulsars in binary star systems. It was also the first observation of a binary black hole merger, demonstrating both the existence of binary stellar-mass black hole systens, and the fact that…
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Arthur Holly Compton and the Compton Effect

Arthur Holly Compton and the Compton Effect

On September 10, 1890, American physicist and Nobel Laureate Arthur Holly Compton was born. Compton won the Nobel Prize in Physics in 1927 for his discovery of the Compton effect, which demonstrated the particle nature of electromagnetic radiation. It was a sensational discovery at the time: the wave nature of light had been well-demonstrated, but the idea that light had both wave and particle properties was not easily accepted. Arthur Holly Compton…
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Louis Essen and the Precise Measurement of Time

Louis Essen and the Precise Measurement of Time

On August 24, 1997, English physicist Louis Essen FRS, O.B.E passed away. Essen’s most notable achievements were in the precise measurement of time and the determination of the speed of light. He invented the quartz crystal ring clock and the first practical atomic clock. These devices were capable of measuring time more accurately than any previous clocks. He built a cesium-beam atomic clock, a device that ultimately changed the way time is measured.…
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Erwin Schrödinger and his Famous Thought Experiment

Erwin Schrödinger and his Famous Thought Experiment

On August 12, 1887, Austrian physicist and Nobel Laureate Erwin Schrödinger was born. Schrödinger developed a number of fundamental results in the field of quantum theory, which formed the basis of wave mechanics: he formulated the wave equation and revealed the identity of his development of the formalism and matrix mechanics. Schrödinger proposed an original interpretation of the physical meaning of the wave function. Although many of you are not physicists, you…
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Dayton Miller – An Advocat of Aether Theory

Dayton Miller – An Advocat of Aether Theory

On March 13, 1866, American physicist, astronomer, acoustician Dayton Clarence Miller was born. An early experimenter of X-rays, Miller was an advocate of aether theory and absolute space and an opponent of Albert Einstein’s theory of relativity.[4] Early Years Born in Ohio to Charles Webster Dewey and Vienna Pomeroy Miller, Dayton Miller attended Baldwin University and earned his doctorate in astronomy at Princeton University. At the Case School of Applied Science in…
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Paul Langevin and the Langevin Dynamics

Paul Langevin and the Langevin Dynamics

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. Langevin was also the first to explain (1905) the effects of paramagnetism and diamagnetism (the weak attraction or repulsion…
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