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May 31 In Physics History

Physics history will help you to develop a better understanding of the physics world!

birthdays & deaths

Explore all birthdays & deaths of physicists occurred on this day with their short biography!

physics Events

Know all important discoveries made by physicists & events happened on this day with complete information!

May 31 In Physics History - Births – Physicists born on May 31

Ron Toomer (31 May 1930 - 26 Sep 2011)

He was an American engineer who was in the aerospace industry in his early career. He helped to design the heat shield for the Apollo spacecraft and also created the steel roller coasters. For this, he joined the arrow development company to design the Runaway Mine Ride using tubular steel technology. He designed the Roaring 20’s Corkscrew for Knott’s berry farm and introduced the first 360° looping rolls.

Robert Schrieffer (31 May 1931 - 27 July 2019)

He is an American physicist who developed the BCS theory and shared a Nobel prize for Physics with John Bardeen and Leon N. Cooper. It was the first successful microscopic theory of superconductivity. It explains how certain metals and alloys lose all resistance to electrical current at extremely low temperatures. The theory says that under certain conditions, at very low temperatures, the electron can form bound pairs also known as Cooper pairs. In superconductivity, this pair of electrons acts like a single particle. Schrieffer also researched on metal impurity, spin fluctuations, and chemisorption.

C. G. Abbot (31 May 1872 -17 Dec 1973)

He was an American astrophysicist who became the director of the Smithsonian Astrophysical Observatory (SAO) in 1906. The SAO established a network of solar radiation observatories around the world to study the sun. The observatories were installed usually at remote and assorted for chosen primarily for their high percentage of sunny days. He studied solar radiations for decades until he discovered a connection between solar variations and weather on Earth. It allowed predicting the general weather pattern up to 50 years ahead.

Martin Schwarzschild (31 May 1912 - 10 Apr 1997)

He was a German-American astronomer who used photographic instruments at stratospheric heights to obtain high-resolution observations of the turbulence in the photosphere of the sun. He worked on stellar structure and evolution which included differential solar rotation and pulsating stars. He was the son of German physicist and astronomer Karl Schwarzschild who investigated the mathematics which eventually led to the prediction of the existence of black holes.

May 31 In Physics History - Deaths – Physicists died on May 31

James Rainwater (9 Dec 1917 - 31 May 1986)

He was an American physicist who contributed to determining the asymmetrical shapes of certain atomic nuclei and shared the Nobel Prize for Physics in 1975 for his part. He also contributed to the development of the atomic bomb during WWII. He demonstrated a Theory that says not all atomic nuclei are spherical, as was generally believed. Niels Bohr and Ben R. Mottelson confirmed his theory. He also took part in the atomic energy commission and level research project and conducted valuable research on X-rays.

May 31 In Physics History - Events – Physics Events of May 31

Mark I Prototype Submarine Power Plant Test

Mark I prototype submarine power plant begins to produce power in significant amounts in 1953. Tough, it was an experimental unit made just to gain the experience of operating the mark II unit as the world’s first nuclear submarine. Mark II was launched on 21 January 1954 and both the reactors generated heat from the fission of Uranium-235. The generated heat was transferred through a heat exchanger to generate a stream that drove turbines to provide mechanical propulsion.

April 12 in Physics History

Physics history will help you to develop a better understanding of the physics world!

birthdays & deaths

Explore all birthdays & deaths of physicists occurred on this day with their short biography!

physics Events

Know all important discoveries made by physicists & events happened on this day with complete information!

April 12 in Physics History - Births – Physicists born on April 12

Edward Walter Maunder (12 Apr 1851 - 21 Mar 1928)

He was an English astronomer who first started the British Civil Services Commission examination for the post of photographic and spectroscopic assistant at the Royal Observatory, Greenwich. He worked at the observatory for the next forty years measuring the sunspots and checking historic records. He found a lack of reports on sunspots from 1645 to 1715. Instead of questioning this, he started researching and found that there are indeed decades-long times when the sun has very few sunspots. Now we call these periods as Maunder minima.

Ferdinand von Lindemann (12 Apr 1852 - 6 Mar 1939)

He was a German mathematician who proved that π is not a solution to any algebraic equation with a rational coefficient. This explained the insoluble natural or classical Greek mathematical problem of constructing a square with the same area as a given circle using a ruler and compasses alone. He discussed Hermite’s methods that he used to prove that ‘e’ is transcendental. He extended Hermite’s results in 1882 to show that π was also transcendental.

April 12 in Physics History - Deaths – Physicists died on April 12

Charles Messier (26 Jun 1730 - 12 Apr 1817)

He was a French astronomer who first compiled a systematic catalog of “M objects” and discovered 15 comets. His catalog contained nebulae, 103-star clusters, and galaxies. He concluded the alphanumeric names for objects like M1, M2, etc.

Geoffrey F. Chew (5 Jun 1924 - 12 Apr 2019)

He was an American physicist who led the group of S-matrix theorists researching the strong interaction and the bootstrap principle. He was a graduate student of Enrico Fermi. His group calculated the interactions of bound-states without assuming that there is a point-particle field theory underneath.

Igor Tamm (8 Jul 1895 - 12 Apr 1971)

He was a Soviet physicist who shared the Noble Prize with Pavel A  Cherenkov, and Ilya M. Frank for physics for his works in explaining Cherenkov radiation. He developed the theoretical interpretation of the Cherenkov effect which states that the radiation of electrons moves faster than the speed of light through matter. He also developed a method for studying the interaction of nuclear particles and contributed towards the methods for the control of thermonuclear reactions.

April 12 in Physics History - Events – Physics Events of April 12

First Man To Orbit The Earth

On this day, Yuri Gagarin became the first man to orbit the Earth in 1961. The control of the spacecraft was locked to prevent him from taking control of the ship. It had a radio, television, and life-supporting equipment. He ejected and made a planned descent landing with his parachute but the Soviet Union denied this to save its reputation. After 7 years, he died in a plane crash.

The First Yo-Yo Toy In Space

The first yo-yo toy was taken into space in the Space Shuttle Discovery mission 51-D in 1985. With this yellow plastic Duncan Imperial yo-yo, other toys were exhibited during a time in orbit. Astronauts did the tricks with toys but the yo-yo sleeper trick couldn’t work without normal gravity. While spinning, the gyroscope showed exceptional stability. The flywheel slowed without normal gravity.

Space Shuttle Columbia Was Launched

Columbia, the American Space Shuttle was launched into space in 1981. John W. Young was the mission commander.