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engineering
Rube Goldberg’s complicated Machines

Rube Goldberg’s complicated Machines

Harald Sack
On July 4, 1883, American cartoonist, sculptor, author, engineer and inventor Reuben Garrett Lucius “Rube” Goldberg was born. He is best known for a series of popular cartoons depicting complicated gadgets that perform simple tasks in indirect, convoluted ways. Goldberg received many honors in his lifetime, including a Pulitzer Prize for his political cartooning in 1948. From the Sewer Department to a Newspaper Reuben Lucius Goldberg was born July 4, 1883, in San…
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engineering
The Russian Dream to Land a Man on the Moon

The Russian Dream to Land a Man on the Moon

Harald Sack
On July 3, 1969, the biggest explosion in the history of rocketry occurred when the Soviet N-1 rocket exploded and subsequently destroyed its launchpad. After four unsuccessful launch tries of the Soviet counterpart to the NASA Saturn V rocket the Russian Moon program was cancelled in May 1974. Sergei Korolev Sergei Pavlovich Korolev,[8] the leading Soviet space craft designer and rocket engineer, also known as the father of practical astronautics started directing…
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physics
Hans Bethe and the Energy of the Stars

Hans Bethe and the Energy of the Stars

Tabea Tietz
On July 2, 1906, German and American nuclear physicist and Nobel Laureate Hans Albrecht Bethe was born. Bethe helped to shape classical physics into quantum physics and increased the understanding of the atomic processes responsible for the properties of matter and of the forces governing the structures of atomic nuclei. Hans Bethe Background Hans Bethe entered the University of Frankfurt in 1924, majoring in chemistry. However, after a few semesters, he was advised…
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medical science
Ignaz Semmelweis and the Importance of Washing Your Hands as a Doctor

Ignaz Semmelweis and the Importance of Washing Your Hands as a Doctor

Tabea Tietz
On July 1, 1818, Hungarian physician of German extraction Ignaz Semmelweis was born. He is best known for his discovery of the cause of puerperal (“child bed”) fever and introduced antisepsis into medical practice by insisting on health workers rigorously handwashing between patients, and clean bed sheets. Ignaz Semmelweis – Youth and Education Ignaz Semmelweis was born in 1818 in the Tabán sub-district of Buda, Hungary,  in 1818 as the 5th child of the…
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archeology
Adolf Furtwängler and Photographic Archeology

Adolf Furtwängler and Photographic Archeology

Tabea Tietz
On June 30, 1853, German archaeologist and historian Adolf Furtwängler was born. He revolutionized archeological science with his use of photography for documentation. His use of photography in research supplanted the use of drawings because a camera gives objective reproduction with more accuracy, which enabled fragments to be scrutinized, even when they were miles apart. Adolf Furtwängler Background Adolf Furtwängler grew up in a very educated family. His father was a classical…
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biology
Rembert Dodoens and the Love for Botanical Science

Rembert Dodoens and the Love for Botanical Science

Harald Sack
On June 29, 1516, Flemish physician and botanist Rembert Dodoens (Dodonaeus) was born. His seminal work Stirpium historiae pemptades sex sive libri XXX (1583) is considered one of the foremost botanical works of the late 16th century. He divided plants into 26 groups and introduced many new families. Rembert Dodoens Background Rembert Dodoens was born under the name Rembert Van Joenckema in Mechelen, Spanish Netherlands, today Flanders, Belgium. Later, he changed it…
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art
Peter Paul Rubens and the Baroque Extravaganza

Peter Paul Rubens and the Baroque Extravaganza

Harald Sack
On June 28, 1577, German-born Flemish Baroque painter Peter Paul Rubens was born. He is best known for his extravagant Baroque style that emphasised movement, colour, and sensuality. “The light falls so unfavorably on the altar that one can hardly discern the figures or enjoy the beauty of color and the delicacy of the heads and draperies which I executed with great care from nature and completely successfully according to the judgement…
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mathematics
Sophie Germain and the Chladni Experiment

Sophie Germain and the Chladni Experiment

Tabea Tietz
On June 27, 1831, French mathematician, physicist, and philosopher Marie-Sophie Germain passed away. She is best known for her work in number theory and contributions to the applied mathematics of acoustics and elasticity. Her work on Fermat’s Last Theorem provided a foundation for mathematicians exploring the subject for hundreds of years after. Because of prejudice against her gender, she was unable to make a career out of mathematics, but she worked independently throughout her…
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astronomy
Charles Messier and the Discovery of Nebulae

Charles Messier and the Discovery of Nebulae

Tabea Tietz
On June 26, 1730, French astronomer Charles Messier was born. He is best known for his publication of an astronomical catalogue consisting of nebulae and star clusters that came to be known as the 110 “Messier objects”. The purpose of the catalogue was to help astronomical observers, in particular comet hunters such as himself, distinguish between permanent and transient visually diffuse objects in the sky. “What caused me to undertake the catalog was…
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engineering
Hermann Oberth’s Dream of Space Travel

Hermann Oberth’s Dream of Space Travel

Tabea Tietz
On June 25, 1894, Austro-Hungarian-born German physicist and engineer Hermann Oberth was born. He was the first, who when thinking about the possibility of spaceships grabbed a slide-rule and presented mathematically analyzed concepts and designs. Hermann Oberth Background Maybe you have already heard of the ‘Oberth Effect‘. In interplanetary spaceflight, the Oberth effect is used in a powered flyby where the application of an impulse, typically from a rocket engine, close to a…
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