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engineering
Experimental Breeder Reactor I – The World’s First Nuclear Power Plant

Experimental Breeder Reactor I – The World’s First Nuclear Power Plant

Tabea Tietz
On December 20, 1951, Experimental Breeder Reactor I (EBR-I) became the world’s first electricity-generating nuclear power plant when it produced sufficient electricity to illuminate four 200-watt light bulbs. From Manhattan Project to Atomic Energy Commission The reactor is located in the the state of Idaho between the Idaho Falls and Arco. The construction was designed by Walter Zinn and Enrico Fermi at the Argonne National Laboratory.[5] The famous Italian physicist Fermi became next…
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mathematics
A great man whose only fault was being a woman – Émilie du Châtelet

A great man whose only fault was being a woman – Émilie du Châtelet

Harald Sack
On December 17, 1706, French mathematician, physicist, and author Gabrielle Émilie Le Tonnelier de Breteuil, marquise du Châtelet was born. Her major achievement is considered to be her translation and commentary on Isaac Newton‘s work Principia Mathematica, which still is the standard French translation of Newton‘s work today. Philosopher and author Voltaire, one of her lovers, once declared in a letter to his friend King Frederick II of Prussia that du Châtelet…
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engineering
Werner von Siemens – Inventor and International Entrepreneur

Werner von Siemens – Inventor and International Entrepreneur

Harald Sack
On December 13, 1816, German inventor and industrialist Werner von Siemens was born. He was the pioneer of the electro industry and brought about a great technological advancement with many of his important discoveries. Moreover, he was co-inventor of an electroplating process and alone developed an electric dynamo. He laid the first telegraph line and built the first electric railway in Germany and, with his brother Sir William Siemens, developed a widely…
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physics
Roman History by Theodor Mommsen

Roman History by Theodor Mommsen

Harald Sack
On November 30, 1817, German classical scholar, historian, jurist, journalist, politician and archaeologist Theodor Mommsen was born. Mommsen was one of the greatest classicists of the 19th century. His work regarding Roman history is still of fundamental importance for contemporary research. Mommsen received the Nobel Prize in Literature in 1902 for being “the greatest living master of the art of historical writing, with special reference to his monumental work, A History of…
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physics
Johannes van der Waals – A Pioneer in the Molecular Sciences

Johannes van der Waals – A Pioneer in the Molecular Sciences

Tabea Tietz
On November 23, 1837 Dutch theoretical physicist and Nobel Laureate Johannes Diderik van der Waals was born. He is best known for his work on an equation of state for gases and liquids. “…There can be no doubt that the name of Van der Waals will soon be among the foremost in molecular science”  — James Clerk Maxwell’s remarks in Nature magazine (1873). Johannes van der Waals Background Johannes Diderik van der Waals…
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astronomy
The Universe goes beyond the Milky Way – thanks to Edwin Hubble

The Universe goes beyond the Milky Way – thanks to Edwin Hubble

Tabea Tietz
On November 20, 1889, American astronomer Edwin Hubble was born. He is best known for his role in establishing the field of extragalactic astronomy and is generally regarded as one of the most important observational cosmologists of the 20th century. “Equipped with his five senses, man explores the universe around him and calls the adventure Science.” – Edwin Hubble (1929) Edwin Hubble – Early Years Although Edwin Hubble earned pretty good grades in…
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chemistry
Maria Skłodowska Curie – Truly an Extraordinary Woman

Maria Skłodowska Curie – Truly an Extraordinary Woman

Tabea Tietz
On November 7, 1867, Marie Curie was born, French-Polish physicist, chemist, pioneer in research of radioactivity.  She was the first woman to win a Nobel Prize, is the only woman to win the Nobel prize twice, and is the only person to win the Nobel Prize in two different scientific fields. “One never notices what has been done; one can only see what remains to be done.” — Marie Curie, Letter to her…
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aviation
Chuck Yeager – Breaking the Sound Barrier

Chuck Yeager – Breaking the Sound Barrier

Tabea Tietz
On October 14, 1947, US American test pilot Charles “Chuck” Yeager was the first to officially break the sound barrier with a rocket powered test aircraft Bell X-1, reaching a supersonic speed peak of Mach 1.06. Education and Military Career Charles Yeager was born in Myra, West Virginia, USA, in 1923 and grew up as a curious child, hunting, fishing and hiking. Even though his overall achievements at school were only average,…
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physics
Niels Bohr and the Origins of Quantum Mechanics

Niels Bohr and the Origins of Quantum Mechanics

Tabea Tietz
On October 7, 1885, Danish physicist and Nobel Laureate Niels Bohr was born. Bohr made foundational contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922. “Physics is to be regarded not so much as the study of something a priori given, but rather as the development of methods of ordering and surveying human experience. In this respect our task must be to account…
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astronomy
Ole Rømer and the Speed of Light

Ole Rømer and the Speed of Light

Tabea Tietz
On October 5, 1644 (or according to the old julian calendar September 25), Danish astronomer Ole Christensen Rømer was born. He became known by the first proof published in 1676 that the speed of light is finite and not infinite, respectively by the guidance, how the speed of light can be calculated by observation of the Jupiter moons. Ole Rømer – Early Years Ole Rømer was born in Århus, Denmark, to merchant and skipper…
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