SciHi Blog

engineering
Marc Seguin and the Wire-Cable Suspension Bridge

Marc Seguin and the Wire-Cable Suspension Bridge

Harald Sack
On April 20, 1786, French engineer Marc Seguin was born. He is best known as being the inventor of the wire-cable suspension bridge and the multi-tubular steam-engine boiler. Marc Seguin – Early Years Marc Seguin was born in Annonay, a French commune in the north of the Ardèche department in the Rhône-Alpes region of southern France, to Marc François Seguin and Thérèse-Augustine de Montgolfier, a niece of Étienne and Joseph Montgolfier, the pioneer…
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medical science
Gustav Fechner, Psychophysics, and the Ultimate Philosophic Problem

Gustav Fechner, Psychophysics, and the Ultimate Philosophic Problem

Tabea Tietz
On April 19, 1801, German philosopher, physicist and experimental psychologist Gustav Theodor Fechner was born. An early pioneer in experimental psychology and founder of psychophysics, he inspired many 20th century scientists and philosophers. He is also credited with demonstrating the non-linear relationship between psychological sensation and the physical intensity of a stimulus, which became known as the Weber–Fechner law. “Man lives on earth not once, but three times: the first stage of…
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literature
Conrad Celtis, the first Poeta Laureata

Conrad Celtis, the first Poeta Laureata

Harald Sack
On April 18, 1487, German Renaissance humanist scholar and Neo-Latin poet Conrad Celtis was claimed “poeta laureatus“, the prince of poets, the first German to receive this honor by emperor Frederic III at the Imperial Diet in Nuremberg. Conrad Celtis‘ teachings had lasting effects, particularly in the field of history, where he was the first to teach the history of the world as a whole. He is also often referred to as…
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astronomy
Giovanni Riccioli – a man of Encyclopedic Knowledge

Giovanni Riccioli – a man of Encyclopedic Knowledge

Harald Sack
On April 17, 1598, Italian astronomer and a Catholic priest in the Jesuit order Giovanni Battista Riccioli was born. He is known, among other things, for his experiments with pendulums and with falling bodies, for his discussion of 126 arguments concerning the motion of the Earth, and for introducing the current scheme of lunar nomenclature. He also was the first to observe a double star (two stars so close together that they…
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aviation
Harriet Quimby – the First Woman to Fly Across the English Channel

Harriet Quimby – the First Woman to Fly Across the English Channel

Tabea Tietz
On April 16, 1912, Harriet Quimby became the first woman to fly across the English Channel. She was the the first woman to gain a pilot’s license in the United States. Although Quimby lived only to the age of thirty-seven, she had a major influence upon the role of women in aviation. Harriet Quimby Background Harriet Quimby was born into a farmer’s family in Michigan and moved to San Francisco in order…
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history
Samuel Johnson and his Famous Dictionary

Samuel Johnson and his Famous Dictionary

Tabea Tietz
On April 15, 1755, after nine years of intensive labor, Samuel Johnson publishes his “Dictionary of the English Language”, sometimes published as Johnson‘s Dictionary. It is among the most influential dictionaries in the history of the English language. “I am not yet so lost in lexicography, as to forget that words are the daughters of earth, and that things are the sons of heaven. Language is only the instrument of science, and…
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cinematography
The Kinetoscope and Edison’s Wrong Way to Invent the Cinema

The Kinetoscope and Edison’s Wrong Way to Invent the Cinema

Harald Sack
On April 14, 1894, chief engineer William K. L. Dickson in the team of Thomas Alva Edison, presents the newly invented Kinetoscope, an early motion picture exhibition device designed for films to be viewed by one individual at a time through a peephole viewer window at the top of the device. Merely a Fairground Attraction Ok, according to Edison, the cinema would never have become the silver screen you know, but would have…
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physics
Bruno Rossi and the Cosmic Radiation

Bruno Rossi and the Cosmic Radiation

Harald Sack
On April 13, 1905, Italian experimental physicist Bruno Benedetto Rossi was born. Rossi made major contributions to particle physics and the study of cosmic rays. He was one of the first to use rockets to study cosmic rays above the Earth‘s atmosphere. Finding X-rays from space he became the grandfather of high energy astrophysics, being largely responsible for starting X-ray astronomy, as well as the study of interplanetary plasma. “In any case,…
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architecture
The Broughton Suspension Bridge and the Resonance Disaster

The Broughton Suspension Bridge and the Resonance Disaster

Tabea Tietz
On April 12, 1831, the Broughton Suspension bridge collapsed, reportedly due to mechanical resonance induced by troops marching in step. But, also wind can be the cause for mechanical resonance which leads to disaster, such as for the Tacoma Narrows Bridge in 1940. But, also buildings can be affected, such as the 39-story shopping mall called the “Techno-Mart” in Seoul, Korea, that had to be evacuated because of people synchronously exercising Tae Bo. The…
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art
Donato Bramante and the Invention of the High Renaissance Style

Donato Bramante and the Invention of the High Renaissance Style

Harald Sack
On April 11, 1514, Italian architect Donato Bramante passed away. He introduced Renaissance architecture to Milan and the High Renaissance style to Rome, where his plan for St. Peter’s Basilica [3] formed the basis of design executed by Michelangelo.[1] His Tempietto (San Pietro in Montorio) marked the beginning of the High Renaissance in Rome (1502) when Pope Julius II appointed him to build a sanctuary over the spot where Peter was allegedly…
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