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Harald Sack

computer science
Mark Weiser and his vision of Ubiquituous Computing

Mark Weiser and his vision of Ubiquituous Computing

Harald Sack
On July 23, 1952, computer scientist Mark David Weiser was born. Weiser was chief scientist at Xerox PARC in the United States and is widely considered to be the father of ubiquitous computing, a term he coined in 1988. In contrast to desktop computing, ubiquitous computing can occur using any device, in any location, and in any format. A user interacts with the computer, which can exist in many different forms, including laptop computers,…
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physics
George Green and his Theory of Electricity and Magnetism

George Green and his Theory of Electricity and Magnetism

Harald Sack
On July 14, 1793, British mathematical physicist George Green was baptized. He is best known for his publication of wrote An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism, in which he developed a first mathematical theory of electricity and magnetism. His theory formed the foundation for the work of other scientists such as James Clerk Maxwell,[3] William Thomson,[4] and others. The Son of a Baker George…
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biology
The Undersea World of Jacques Cousteau

The Undersea World of Jacques Cousteau

Harald Sack
On June 11, 1910, French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher Jacques-Yves Cousteau was born. Cousteau is best known for his extensive underseas investigations. He was co-inventor of the aqualung which made SCUBA diving possible. He pioneered marine conservation and was a member of the Académie française. “From birth, man carries the weight of gravity on his shoulders. He is bolted to earth. But man has only…
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chemistry
Richard Smalley – the Father of Nanotechnology

Richard Smalley – the Father of Nanotechnology

Harald Sack
On June 6, 1943, American chemist and physicist Richard Errett Smalley was born. He is sometimes also referred to as ‘Father of Nanotechnology’. Richard Smalley shared the 1996 Nobel Prize for Chemistry with Robert Curl, Jr., and Harold W. Kroto for their joint 1985 discovery of carbon60 and the fullerenes. Richard Smalley – Youth and Education Richard Smalley was born in Akron, Ohio, as the youngest of 4 children of Frank Dudley…
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literature
Edward Lear and his Book of Nonsense

Edward Lear and his Book of Nonsense

Harald Sack
On May 12, 1812, English artist, illustrator, musician, author and poet Edward Lear was born. He is known now mostly for his literary nonsense in poetry and prose and especially his limericks, a form he popularised. As an author, he is known principally for his popular nonsense collections of poems, songs, short stories, botanical drawings, recipes, and alphabets. Edward Lear – Childhood and Education Edward Lear was born as the penultimate of twenty-one…
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mathematics
Cavalieri’s Principle

Cavalieri’s Principle

Harald Sack
On November 30, 1648, Italian mathematician Bonaventura Cavalieri passed away. He is known for his work on the problems of optics and motion, work on the precursors of infinitesimal calculus, and the introduction of logarithms to Italy. Cavalieri’s principle in geometry partially anticipated integral calculus. “Rigor is the concern of philosophy not of geometry.” (Bonaventura Cavalieri) Bonaventura Cavalieri – The Youth of a Mathematician Born at Milan, Cavalieri was given the name Francesco…
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