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physics
Hans Christian Ørsted connecting Electricity and Magnetism

Hans Christian Ørsted connecting Electricity and Magnetism

Harald Sack
On March 9, 1851, Danish physicist Hans Christian Ørsted passed away. Hans Christian Ørsted discovered that electric currents create magnetic fields, which was the first connection found between electricity and magnetism. He is still known today for Oersted‘s Law and the oersted (Oe), the cgs unit of magnetic H-field strength, is named after him. “The agreement of this law with nature will be better seen by the repetition of experiments than by…
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communication
The Macintosh 128K making history with George Orwell

The Macintosh 128K making history with George Orwell

Tabea Tietz
On January 24, 1984, Steve Jobs presented the the very first Macintosh computer, which became the first commercially successful personal computer with a mouse as standard input device and a user friendly graphical user interface to the public. Apple Milestones Although the 128K was not Apple Inc’s first computer on the market, it depicted a milestone. The Apple I was released in 1976, it was sold as a motherboard and would not fulfill today’s requirements for…
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geology
Alfred Wegener and the Continental Drift

Alfred Wegener and the Continental Drift

Tabea Tietz
On January 06, 1912, German geologist Alfred Wegener presented his theory of continental drift for the first time in public at a meeting of the Geological Society (‘Geologische Vereinigung’) at Senckenberg Museum in Frankfurt, Germany. “In the whole of geophysics there is probably hardly another law of such clarity and reliability as this—that there are two preferential levels for the world’s surface which occur in alternation side by side and are represented by…
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physics
C. F. Powell and the Discovery of the Pion

C. F. Powell and the Discovery of the Pion

Tabea Tietz
On December 5, 1903, English physicist and nobel Laureate Cecil Frank Powell, was born. Powell was awarded the 1950 Nobel Prize in Physics for his development of the photographic method of studying nuclear processes and for the resulting discovery of the pion. The pion proved to be the hypothetical particle proposed in 1935 by Yukawa Hideki of Japan in his theory.[4] “Any device in science is a window on to nature, and each new…
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physics
Victor Hess and the Cosmic Ultra Radiation

Victor Hess and the Cosmic Ultra Radiation

Harald Sack
On June 24, 1883, Austrian-American physicist, and Nobel laureate in physics Victor Francis Hess was born. Hess shared the Nobel Prize for Physics with Carl Anderson in 1936 for his discovery of cosmic rays.[5] Victor Hess’ Youth in Austria Victor Franz Hess was born near Peggau in Styria, Austria, to Vinzenz Hess, a royal forester in Prince Louis of Oettingen-Wallerstein’s service, and his wife Serafine Edle von Grossbauer-Waldstätt. He attended secondary school…
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engineering
Robert Noyce – the “Mayor of Silicon Valley”

Robert Noyce – the “Mayor of Silicon Valley”

Tabea Tietz
On December 12, 1926, American engineer and inventor Robert Noyce was born. Nicknamed “the Mayor of Silicon Valley,” Noyce co-founded Fairchild Semiconductor in 1957 and Intel Corporation in 1968. He is credited along with Jack Kilby with the realization of the first integrated circuit or microchip that fueled the personal computer revolution. “Innovation is everything. When you’re on the forefront, you can see what the next innovation needs to be. When you’re behind, you…
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geography
Wladimir Köppen and the Köppen Climate Classification System

Wladimir Köppen and the Köppen Climate Classification System

Tabea Tietz
On September 25, 1846, Russian-German geographer, meteorologist, climatologist and botanist Wladimir Peter Köppen was born. His most notable contribution to science was the development of the Köppen climate classification system, which, with some modifications, is still commonly used. Köppen made significant contributions to several branches of science. Wladimir Köppen – Early Years Wladimir Peter Köppen was born in Russia as the son of German parents, Peter von Köppen and Alexandrine, née von Adelung, and…
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aviation
The Transatlantic Flight of the Double Eagle II

The Transatlantic Flight of the Double Eagle II

Harald Sack
On August 17, 1978, Double Eagle II became the first balloon to cross the Atlantic Ocean when it landed in Miserey near Paris, 137 hours 6 minutes after leaving Presque Isle, Maine. The flight, the fourteenth known attempt, was the culmination of more than a century of previous attempts to cross the Atlantic Ocean by balloon. John Wise and the Atlantic In 1859, John Wise, US-American pioneer in the field of ballooning,…
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aviation
Aviation Pioneer Sir Geoffrey De Havilland and the Era of Jet Passenger Flight

Aviation Pioneer Sir Geoffrey De Havilland and the Era of Jet Passenger Flight

Tabea Tietz
On July 27, 1882, British aviation pioneer and aircraft engineer Sir Geoffrey De Havilland was born. In 1909, he constructed his first machine and through trial and error and taught himself to fly. His Mosquito has been considered the most versatile warplane ever built. In 1943, he was one of the first to make jet-propelled aircraft, producing the Vampire jet fighter. De Havilland led the world in entering the era of jet passenger…
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physics
Alexander Friedmann and the Expanding Universe

Alexander Friedmann and the Expanding Universe

Harald Sack
On June 16, 1888, Russian mathematician and physicist Alexander Friedmann was born. Friedmann is best known for his pioneering theory that the universe was expanding, governed by a set of equations he developed now known as the Friedmann equations. The Youth of a Mathematician Alexander Friedmann was born in Saint Petersburg, Russia, to the composer and ballet dancer Alexander Friedmann and the pianist Ludmila Ignatievna Voyachek. However the parents divorced when Alexander…
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