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Tabea Tietz

mathematics
Hermann Minkowski and the four-dimensional Space-Time

Hermann Minkowski and the four-dimensional Space-Time

Tabea Tietz
On June 22, 1864, German mathematician Hermann Minkowski was born. Minkowski developed the geometry of numbers and used geometrical methods to solve problems in number theory, mathematical physics, and the theory of relativity. But he is perhaps best known for his work in relativity, in which he showed in 1907 that his former student Albert Einstein’s special theory of relativity can be understood geometrically as a theory of four-dimensional space–time, since known as the “Minkowski…
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transportation
Mixing Up a Plane with a Train – Franz Kruckenberg’s Schienenzeppelin

Mixing Up a Plane with a Train – Franz Kruckenberg’s Schienenzeppelin

Tabea Tietz
On 21 June 1931, Franz Kruckenberg’s Schienenzeppelin (rail zeppelin) set a new world railway speed record of 230.2 km/h (143.0 mph) on the Berlin–Hamburg line between Karstädt and Dergenthin, which was not surpassed by any other rail vehicle until 1954. How to build faster Trains? The famous Schienenzeppelin was anticipated by the design of the Aerowagon, an experimental Russian high-speed railcar fitted with an aircraft engine and propeller traction invented by Valerian Abakovsky, a…
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chemistry
Sir Frederick Gowland Hopkins and the Discovery of Vitamins

Sir Frederick Gowland Hopkins and the Discovery of Vitamins

Tabea Tietz
On June 20, 1861, English biochemist and Nobel Laureate Sir Frederick Gowland Hopkins was born. He is best known for the discovery of essential nutrient factors, now known as vitamins, needed in animal diets to maintain health. He also discovered the amino acid tryptophan, in 1901. “A cell has a history; its structure is inherited, it grows, divides, and, as in the embryo of higher animals, the products of division differentiate on complex…
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physics
Aage Niels Bohr and the Understanding of the Nuclear Structure

Aage Niels Bohr and the Understanding of the Nuclear Structure

Tabea Tietz
On June 19, 1922, Danish nuclear physicist and Nobel laureate Aage Niels Bohr was born, son of the famous physicist and Nobel laureate Niels Bohr. Aage Bohr shared the 1975 Nobel Prize for Physics with Ben R. Mottelson and James Rainwater “for the discovery of the connection between collective motion and particle motion in atomic nuclei and the development of the theory of the structure of the atomic nucleus based on this connection.” “The…
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astronomy
William Parsons and his Very Large Telescopes

William Parsons and his Very Large Telescopes

Tabea Tietz
On June 17, 1800, Irish astronomer William Parsons, 3rd Earl of Rosse, was born. As an astronomer, he had several telescopes built, among them his 72-inch telescope, built in 1845 and colloquially known of as the “Leviathan of Parsonstown“, which was the world’s largest telescope, in terms of aperture size, until the early 20th century. In 1848, he found and named the Crab Nebula (because he thought it resembled a crab), by which name…
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aviation
Hubertus Strughold the Father of Space Medicine with a Dark Past

Hubertus Strughold the Father of Space Medicine with a Dark Past

Tabea Tietz
On June 15, 1898, German-born physiologist and prominent medical researcher Hubertus Strughold was born. For his role in pioneering the study of the physical and psychological effects of manned spaceflight he became known as “The Father of Space Medicine“. In the late 1920’s, he began investigating the physiological aspects of what he called the “vertical frontier” in Germany. He served as chief of Aeromedical Research for the German Luftwaffe throughout World War…
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physics
Charles Augustin de Coulomb and the Electrostatic Force

Charles Augustin de Coulomb and the Electrostatic Force

Tabea Tietz
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 – Early Years Charles Augustin de Coulomb received a good education in mathematics, astronomy, chemistry and botany since both sides of…
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physics
John Dollond – Improving the Telescope with Achromatic Lenses

John Dollond – Improving the Telescope with Achromatic Lenses

Tabea Tietz
On June 10, 1706 (10 June O.S. / 21 June N.S.), English optician John Dollond was born. He is known for his successful optics business and his patenting and commercialization of achromatic lenses. John Dollond – Biographical Background John Dollond came from a Huguenot emigrant family and initially worked as a silk weaver like everyone else in his family, but was also involved in astronomy and optics. He studied Latin, Greek, mathematics, physics,…
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cinematography
The Most Famous Duck in the World

The Most Famous Duck in the World

Tabea Tietz
On June 9, 1934, Walt Disney’s Silly Symphonies cartoon The Wise Little Hen premiered, which featured the the debut of Donald Duck, dancing to the Sailor’s Hornpipe. Donald is an anthropomorphic white duck, most famous for his semi-intelligible speech and his mischievous and temperamental personality. Along with his friend Mickey Mouse, Donald is one of the most popular Disney characters. “Donald is a very outrageous fellow, with bad manners and a worse temper, and everyone…
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physics
Karl Ferdinand Braun – inventor of the famous Braun Tube

Karl Ferdinand Braun – inventor of the famous Braun Tube

Tabea Tietz
On June 6, 1850, inventor, engineer, and Nobel laureate Karl Ferdinand Braun was born. Braun was particularly instrumental in making electromagnetic radiation, which had been experimentally proven by Heinrich Hertz [1] in 1888, usable for communications technology. Karl Ferdinand Braun – Family Background and Education Karl Ferdinand Braun was born in Fulda, Germany as the sixth of seven children of the Electoral Hessian court official Konrad Braun, he attended the Fulda Cathedral Grammar School.…
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