physics

Edmond Halley besides the Eponymous Comet

Edmond Halley besides the Eponymous Comet

On November 8, 1656, English astronomer, geophysicist, mathematician, meteorologist, and physicist Sir Edmond Halley was born. Of course everybody has heard of Halley’s comet. We too already had an article on that topic [1]. But, Edmond Halley did much more than calculating the orbit of the eponymous comet. He compiled a catalogue of the stars of the Southern hemisphere, he also improved the sextant, and made observations about the ocean and the…
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Michael Pupin solving the Problems of long-distance Communication

Michael Pupin solving the Problems of long-distance Communication

On October 9, 1858, Serbian American physicist and physical chemist Michael Pupin was born, who is best known for his numerous patents, including a means of greatly extending the range of long-distance telephone communication by placing loading coils (of wire) at predetermined intervals along the transmitting wire (known as “pupinization“). “We would never get away from it. … It’s bad enough as it is, but with the wireless telephone one could be…
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Sir Roger Penrose and the Singularity

Sir Roger Penrose and the Singularity

On August 8, 1931, English mathematical physicist, mathematician and philosopher of science. Sir Roger Penrose was born. Penrose is known for his work in mathematical physics, in particular for his contributions to general relativity and cosmology. In 1969, with Stephen Hawking, Penrose proved that all matter within a black hole collapses to a singularity, a geometric point in space where mass is compressed to infinite density and zero volume. Youth and Education…
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George Green and his Theory of Electricity and Magnetism

George Green and his Theory of Electricity and Magnetism

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. George Green was born and lived for…
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Richard Smalley – the Father of Nanotechnology

Richard Smalley – the Father of Nanotechnology

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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Robert Stirling and the Stirling Engine

Robert Stirling and the Stirling Engine

On October 25, 1790, Scottish clergyman Reverend Dr Robert Stirling was born. Stirling is best known for his invention of the Stirling engine, a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work. Robert Stirling Youth and Education Robert Stirling was born at Cloag Farm near Methven, Perthshire,…
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