SciHi Blog

Subrahmanyan Chandrasekhar and the Evolution of Stars

Subrahmanyan Chandrasekhar and the Evolution of Stars

Subrahmanyan Chandrasekhar (1910-1995) On October 19, 1910, Indian-American astrophysicist and Nobel Laureate Subrahmanyan Chandrasekhar was born. He won the 1983 Nobel Prize for Physics together with William Alfred Fowler for key discoveries that led to the currently accepted theory on the later evolutionary stages of massive stars. If you are a frequent reader of this blog, you might have encountered articles about scientists, artists, or explorers you might have never heard of.…
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You Ain’t Heard Nothin’ Yet – The Movies started Talking

You Ain’t Heard Nothin’ Yet – The Movies started Talking

The first feature-length motion picture withsequences of synchronized speech:‘The Jazz Singer’ from 1927 On October 6, 1927, the first feature-length motion picture with synchronized dialogue sequences, The Jazz Singer premiered. With its Vitaphone sound-on-disc system it heralded the commercial ascendance of the “talkies” and the decline of the silent film era. We all know that it started with the silent films already at the end of the 19th century as a simple…
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Balboa and the Southern Ocean

Balboa and the Southern Ocean

Balboa taking possession of the South Sea On September 25, 1513, Spanish conquistador and explorer Vasco Núñez de Balboa discovered the legendary Southern Ocean, having crossed the Isthmus of Panama facing the Pacific Ocean. Inspired by Christopher Columbus, Balboa embarked on a trip to the Americas as part of Rodrigo de Bastidas’ expedition. The young explorer started settling at Hispaniola in 1505 but was bankrupt shortly after. Balboa hid in a barrel…
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The Rarest in the World – The Blue Mauritius

The Rarest in the World – The Blue Mauritius

Red and Blue Mauritius on famous Bordeaux Letter On September 21, 1847, the famous Mauritius “Post Office” stamps were issued by the British Colony Mauritius. They are among the rarest postage stamps in the world and a letter with both stamps on its cover is estimated to be worth more than 4 Million US$. In 1772, the very first postal service opened up at Mauritius. In Great Britain and Ireland, the first…
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Murray Gell-Mann and the Quarks

Murray Gell-Mann and the Quarks

Murray Gell-MannImage: World Economic Forum On September 15, 1929, American physicist and Nobel Laureate Murray Gell-Mann was born. He is best known for his work on the theory of elementary particles and introduced the quark model. The quark model is a classification scheme for hadrons, i.e. composite particle made of quarks held together by the strong force (in the same way as atoms and molecules are held together by the electromagnetic force).…
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Mungo Park and the Waters of the Niger

Mungo Park and the Waters of the Niger

Mungo Park(1771 – 1806) On September 11, 1771, Scottish explorer of the African continent Mungo Park was born. He is best known for being the first Westerner to encounter the central portion of the Niger River. Moreover, Mungo Park’s adventures on the Niger are the subject matter of Water Music, a richly detailed comic adventure novel published by T.C. Boyle. Mungo Park grew up in a religious home and against his parent’s…
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Luigi Galvani’s Discoveries in Bioelectricity

Luigi Galvani’s Discoveries in Bioelectricity

Luigi Aloisio Galvani(1737 – 1798) On September 9, 1737, Italian physician, physicist and philosopher Luigi Aloisio Galvani was born. He is best known for his discoveries in bioelectricity. In particular, he discovered that the muscles of dead frogs legs twitched when struck by a spark. As a legacy, Galvani’s name survives in the Galvanic cell, Galvani potential, galvanic corrosion, the galvanometer and galvanization. Moreover, his reports also heavily influenced famous author Mary…
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Giuseppe Peano and the Axiomatization of Mathematics

Giuseppe Peano and the Axiomatization of Mathematics

Giuseppe Peano (1858-1932) On August 27, 1858, Italian mathematician and philosopher Giuseppe Peano was born. He is he author of over 200 books and papers, and is considered the founder of mathematical logic and set theory. The standard axiomatization of the natural numbers is named the Peano axioms in his honor. These axioms have been used nearly unchanged in a number of metamathematical investigations, including research into fundamental questions of consistency and…
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The Exploration of Saturn

The Exploration of Saturn

True color picture of Saturn, assembled from Voyager 2 images obtained Aug. 4, 1981 On August 25, 1981, American space probe Voyager 2 passed Saturn and transmitted stunning pictures of the ring planet. The space probe had been launched by NASA on August 20, 1977 to study the outer Solar System and eventually to push forward into interstellar space. Until today, operating for more than 30 years the spacecraft still receives routine…
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Augustin-Louis Cauchy and the Rigor of Analysis

Augustin-Louis Cauchy and the Rigor of Analysis

On August 21, 1789, French mathematician Augustin-Louis Cauchy was born. He is considered one of the greatest mathematicians during the nineteenth century. There are 16 concepts and theorems named for Cauchy, more than for any other mathematician. Cauchy was one of the most prolific mathematicians of all times. Cauchy wrote 789 papers, a quantity exceeded only by Euler and Cayley, which brought precision and rigor to mathematics. Actually, Cauchy was one of…
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