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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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communication
Hedy Lamarr – a Hollywood Star Invents Secure Communication Technology

Hedy Lamarr – a Hollywood Star Invents Secure Communication Technology

Harald Sack
On November 9, 1913, Hollywood movie star Hedy Lamarr was born, co-inventor of an early form of the spread spectrum communication and frequency hopping, necessary for wireless communication from the pre-computer age to the present day. Family Background Ok, I assume that you are not necessarily familiar with spread spectrum communications technology. But, maybe you are wondering even more about a movie star diva of Hollywood’s Golden Age, who should be responsible for the…
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communication
Germany’s First Radio Program Goes Public

Germany’s First Radio Program Goes Public

Tabea Tietz
On October 29, 1923 the very first radio program in Germany was broadcast from the Vox-Haus in Berlin, Tiergarten. Funk-Stunde AG Berlin was the first radio station in Germany. The station was operated by the broadcasting company of the same name and broadcast its program from Berlin in the then northern German broadcasting district. Technical Background and Key Figures The history of the radio is long and for many years it was not…
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computer science
Bill Gates – From Entrepreneur to Philantrop

Bill Gates – From Entrepreneur to Philantrop

Tabea Tietz
On October 28, 1955 entrepreneur William Henry “Bill” Gates III, or simply Bill Gates, was born in Seattle, Washington. He has left his footstep in history with creating the incredibly successful operating system Microsoft Windows or his office application programs MS Word, MS Powerpoint, or MS Excel. Information technology and business are becoming inextricably interwoven. I don’t think anybody can talk meaningfully about one without the talking about the other. – Bill Gates…
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communication
Johann Philipp Reis Demonstrates the first Telephone

Johann Philipp Reis Demonstrates the first Telephone

Harald Sack
On October 26, 1861, German teacher and inventor Johann Philipp Reis, presented his telephone system at the ‘Physikalischen Verein zu Frankfurt am Main‘. Although it did not convince his contemporaries, his invention marks a milestone in telecommunications. Early Life and First Projects Philipp Reis was born on January 7, 1834 in Gelnhausen, Germany in a Jewish family as son of a baker. Reis’s mother died while he was an infant, and he…
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history
Wilhelm Schickard and his Calculating Clock

Wilhelm Schickard and his Calculating Clock

Harald Sack
On October 23, 1635, German astronomer and mathematician Wilhelm Schickard, who constructed the very first mechanical calculator, passed away. His famous calculator was able to perform additions and subtractions. For more complicated operations, it provided so-called Napier bones, named after the Scottish mathematician John Napier,[1] who came up with the idea of logarithms. Although it is widely believed that the first mechanical calculating device was created by the French mathematician Blaise Pascal in…
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computer science
Charles Babbage – The Father of the Computer who hated Street Music

Charles Babbage – The Father of the Computer who hated Street Music

Tabea Tietz
On October 18, 1871, Charles Babbage, mathematician, inventor and early computer scientist passed away. We think, everybody should know about Charles Babbage and his seminal work on the first mechanical universal computer, the Analytical Engine. Although the Analytical Engine never was build during his lifetime, due to the lack of according fine mechanics in the 19th century, Babbage sketched out everything necessary to construct and to program a universal computer. “The whole…
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engineering
Stephenson’s Rocket wins the Rainhill Trials

Stephenson’s Rocket wins the Rainhill Trials

Harald Sack
On October 8, 1829, George Stephenson‘s steam locomotive ‘The Rocket‘ won The Rainhill Trials, an important competition in the early days of steam locomotive railways, run in Rainhill, Lancashire (now Merseyside) for the nearly completed Liverpool and Manchester Railway. “George Stephenson told me as a young man that railways will supersede almost all other methods of conveyance in this country — when mail-coaches will go by railway, and railroads will become the…
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engineering
The Sputnik Shock and the Start of the Space Race

The Sputnik Shock and the Start of the Space Race

Harald Sack
On October 4, 1957, the Soviet Union shocked the western world by announcing the first successful launch of an artificial satellite orbiting the earth – Sputnik 1. Prelude – The International Geophysical Year The 1950’s were politically difficult times for the United States and the Soviet Union. In 1952, the International Council of Scientific Unions declared the time lasting from July 1, 1957 to December 31, 1958 as the International Geophysical Year…
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