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women in technology
Road Trippin’ with Alice Ramsey

Road Trippin’ with Alice Ramsey

Tabea Tietz
On August 7, 1909, Alice Ramsey together with her companions reached San Francisco, successfully finishing the first crossing of the USA with an automobile by a woman. She arrived at San Francisco 60 days after her start in New York. The Journey of Alice Ramsey Alice Ramsey’s journey began on June 9, 1909 in New York City. The four women got ready for a last photo shoot and kissed their husbands good bye before…
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computer science
It’s a computer! – The fabulous Commodore Amiga

It’s a computer! – The fabulous Commodore Amiga

Harald Sack
In 1985 Commodore revolutionized the home computer market by introducing the high end Commodore Amiga with a graphic power that was unheard of by that time in this market segment. Based on the Motorola 68000 microprocessor series the Amiga was most successful as a home computer, with a wide range of games and creative software, although early Commodore advertisements attempted to cast the computer as an all-purpose business machine. In addition, it was  also…
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physics
A Wire to Connect the World – Stephen Gray’s Discovery

A Wire to Connect the World – Stephen Gray’s Discovery

Harald Sack
Today for us it’s pretty normal that electricity can be transmitted on a wire, because it’s part of our daily life. But, in the early 18th century, when the English nature-scientist Stephen Gray was able to show that electricity really can be transmitted on a string of copper, it was an unheard-of revelation. Stephen Gray Background Stephen Gray was born in Canterbury, Kent, the son of the dyer Mathias Gray, baptized on…
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engineering
Joseph Marie Jacquard and the Programmable Loom

Joseph Marie Jacquard and the Programmable Loom

Harald Sack
On July 7, 1752, French weaver and merchant Joseph Marie Jacquard was born. He is best known for his invention of the programmable loom, the “Jacquard loom“, which in turn played an important role in the development of the computer. Back in the 18th century, literally nobody – maybe with the exception people like Leibniz [4] or Pascal [5] – thought about a programmable computer. But, it was the time, the industrial revolution should get…
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engineering
John Gorrie and the Wonders of Air Condition

John Gorrie and the Wonders of Air Condition

Harald Sack
On June 29, 1855, American physician, scientist, inventor, and humanitarian John Gorrie passed away. He is considered the father of refrigeration and air conditioning. Today, refrigeration as well as air condition has become a commodity. But, the importance of refrigeration to modern civilization as a means for conservation of food cannot be overestimated. A Brief History of Refrigeration Actually, even already in prehistoric times man was using ice to refrigerate and thus…
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communication
The Mechanical Telegraph – a French Invention

The Mechanical Telegraph – a French Invention

Harald Sack
On May 23, 1813, the first (modern) optical telegraph line following the mechanical telegraphy system of the French inventor Claude Chappe between Metz and Mainz was established. No, this wasn‘t the first of its kind, but it was the first to connect the former already in France established telegraphy system with a (now) German city. Long before the Days of Morse Code Early telecommunications included smoke signals and drums. Talking drums were…
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space
TIROS-1 and the First TV pictures of the Earth from Space

TIROS-1 and the First TV pictures of the Earth from Space

Harald Sack
On April 1, 1960, U.S. weather satellite TIROS-1 sends the very first TV picture of the Earth from space. Today, we are used to satellite pictures from the earth in the daily weather report. But, there was a time some 50 years ago, when pictures of the earth from space were still something exciting. TIROS I (or TIROS-1, short for Television and InfraRed Observation Satellite) was the first successful low-Earth orbital weather…
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chemistry
Friedrich Accum and the Popularization of Chemistry

Friedrich Accum and the Popularization of Chemistry

Harald Sack
On March 29, 1769, German chemist Friedrich Christian Accum was born. Accum‘s most important achievements included advances in the field of gas lighting, efforts to keep processed foods free from dangerous additives, and the promotion of interest in the science of chemistry to the general populace. Youth and Education Accum was born in Bückeburg, Schaumburg-Lippe (near Hannover), where his father was in the service of Count Wilhelm von Schaumburg-Lippe. Friedrich’ father died,…
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engineering
Robert Alexander Watson-Watt and the Radar Technology

Robert Alexander Watson-Watt and the Radar Technology

Harald Sack
On February 26, 1935, British engineer and Fellow of the Royal Society Robert Alexander Watson-Watt started with first experiments on detecting and locating aircrafts with radio technique, later called ‘RADAR‘. Radar was initially nameless and researched elsewhere but it was greatly expanded on 1 September 1936 when Watson-Watt became Superintendent of Bawdsey Research Station located in Bawdsey Manor, near Felixstowe, Suffolk. Work there resulted in the design and installation of aircraft detection and tracking stations…
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computer science
Who remembers Apple’s Lisa?

Who remembers Apple’s Lisa?

Harald Sack
On January 19, 1983, the Apple Lisa was introduced, the first personal computer to offer a graphical user interface in an inexpensive machine aimed at individual business users. Although a commercial failure, the Lisa paved the way for the famous Apple MacIntosh released in 1984 [4]. I don’t know if you are old enough to remember the early 1980s. But the era of personal computers had just began, which means there were small…
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