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Tabea Tietz

engineering
The Sydney Harbour Bridge

The Sydney Harbour Bridge

Tabea Tietz
On March 19, 1932, the Sydney Harbour Bridge was opened, which connects the Sydney central business district and the North Shore. It is the sixth longest spanning-arch bridge in the world, and it is the tallest steel arch bridge, measuring 134 m from top to water level. “To get on in Australia, you must make two observations. Say, “You have the most beautiful bridge in the world” and “They tell me you trounced…
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mathematics
The Life and Work of Philippe de La Hire

The Life and Work of Philippe de La Hire

Tabea Tietz
On March 18, 1640, French mathematician, astronomer, architect, and key figure in the Académie royale des sciences Philippe de La Hire was born. Educated as an Artist Philippe de La Hire was educated as an artist and became skilled in drawing and painting early. It is believed that de La Hire received no formal education in an official school even though his father was probably teaching him at home. At the age of…
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space
Vanguard 1 – the first Solar Powered Satellite

Vanguard 1 – the first Solar Powered Satellite

Tabea Tietz
On March 17, 1958, Vanguard 1, the fourth artificial Earth orbital satellite was launched, which was the first solar-powered satellite. Although communication with it was lost in 1964, it remains the oldest manmade satellite still in orbit. It was designed to test the launch capabilities of a three-stage launch vehicle as a part of Project Vanguard, and the effects of the environment on a satellite and its systems in Earth orbit. It…
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physics
Frederick Reines’ Chase for the Ghost Particle

Frederick Reines’ Chase for the Ghost Particle

Tabea Tietz
On March 16, 1918, American physicist and Nobel Laureate Frederick Reines was born. He is best known for his co-detection of the neutrino with Clyde Cowan in the neutrino experiment. The neutrino is a subatomic particle, a tiny lepton with little or no mass and a neutral charge which had been postulated by Wolfgang Pauli in the early 1930s but had previously remained undiscovered. Reines shared the Nobel Prize with physicist Martin…
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medical science
John Snow – Tracing the Source of the London Cholera Outbreak

John Snow – Tracing the Source of the London Cholera Outbreak

Tabea Tietz
On March 15, 1813, English physician and a leader in the adoption of anaesthesia and medical hygiene John Snow was born. He is considered one of the fathers of modern epidemiology, in part because of his work in tracing the source of a cholera outbreak in Soho, London, in 1854. Growing Up in a Poor Neighborhood John Snow was born on 15 March 1813 in York, England, the first of nine children born to William…
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medical science
Paul Ehrlich’s Research on Chemotherapy and the Magic Bullet

Paul Ehrlich’s Research on Chemotherapy and the Magic Bullet

Tabea Tietz
On March 14, 1854, German Jewish physician Paul Ehrlich was born. Ehrlich made significant contributions in the fields of hematology, immunology, and chemotherapy. He invented the precursor technique to Gram staining bacteria. The methods he developed for staining tissue made it possible to distinguish between different type of blood cells, which led to the capability to diagnose numerous blood diseases. “In order to pursue chemotherapy successfully we must look for substances which…
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philosophy
The Influential Timelines of Joseph Priestley

The Influential Timelines of Joseph Priestley

Tabea Tietz
On March 13, 1733 (March 24 according to the new Gregorian calendar), English theologian, Dissenting clergyman, natural philosopher and chemist Joseph Priestley was born. He is usually credited with the discovery of oxygen, having isolated it in its gaseous state, although Carl Wilhelm Scheele [3] and Antoine Lavoisier [4] also have a claim to the discovery. A scholar and teacher throughout his life, Priestley also made significant contributions to pedagogy, including the publication of…
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geology
Vladimir Vernadsky and the Biosphere

Vladimir Vernadsky and the Biosphere

Tabea Tietz
On March 12 (February 28 according to the old calendar), 1863, Ukrainian and Soviet mineralogist and geochemist Vladimir Ivanovich Vernadsky was born. He is considered one of the founders of geochemistry, biogeochemistry, and of radiogeology. He is most noted for his 1926 book “The Biosphere” in which he popularized the hypothesis that life is the geological force that shapes the Earth. “An organism is involved with the environment to which it is…
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explorer
Pedro Álvares Cabral and the Discovery of Brazil

Pedro Álvares Cabral and the Discovery of Brazil

Tabea Tietz
On March 9, 1500, Portuguese explorer Pedro Álvares Cabral set sail with a fleet of 13 ships to establish a trade route to India. But, due to a storm his ships got lost and he should become one of the first Europeans to reach the coast of Brazil. Pedro Álvares Cabral Background While details of Cabral’s early life are unclear, it is known that he came from a minor noble family and received…
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history
Hachiko – the Most Famous Dog of Japan

Hachiko – the Most Famous Dog of Japan

Tabea Tietz
On March 8, 1935, Hachiko, a famous Japanese Akita dog passed away, remembered for his remarkable loyalty to his owner, even many years after his owner’s death. Background In 1924, Hidesaburo Ueno, a professor in the agriculture department at the University of Tokyo, took in Hachiko, a golden brown Akita, as a pet. During his owner’s life, Hachiko greeted him at the end of each day at the nearby Shibuya Station. The…
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