chemistry

Ascanio Sobrero and the Power of Nitroglycerine

Ascanio Sobrero and the Power of Nitroglycerine

Ascanio Sobrero (1812–1888) On October 12, 1812, Italian chemist Ascanio Sobrero was born. During his experimental research he discovered the explosive compound nitroglycerine. Sobrero was horrified by the destructive potential of his discovery, and made no effort to develop that power himself. Possibly, the only name that pops up in your mind when you think of the explosive nitroglycerine is Alfred Nobel, the guy who also funded the eponymous prices for advancement in…
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Henry Cavendish and the Weight of the Earth

Henry Cavendish and the Weight of the Earth

Drawing of torsion balance device used by Henry Cavendish in the ‘Cavendish Experiment‘ On October 10, 1731, British natural philosopher Henry Cavendish was born. A scientist as well as an important experimental and theoretical chemist and physicist, Cavendish is noted for his discovery of hydrogen or what he called “inflammable air“. Most notably, he determined the mass and density of the Earth. Henry Cavendish was born in Nice and attended a private school…
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Joseph Proust and the Law of Constant Composition

Joseph Proust and the Law of Constant Composition

Joseph Proust (1754-1826) On September 26, 1754, French chemist Joseph Louis Proust was born. He was best known for his discovery of the law of constant composition in 1799, stating that in chemical reactions matter is neither created nor destroyed. Joseph L. Proust was born on September 26, 1754 in Angers, France as the second son of Joseph Proust, an apothecary, and Rosalie Sartre. Joseph studied chemistry in his father’s shop and later came to…
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James Dewar and the Liquefaction of Gases

James Dewar and the Liquefaction of Gases

Sir James Dewar (1842-1923) On September 1842, Scottish chemist and physicist Sir James Dewar was born. He is probably best-known today for his invention of the Dewar flask, which he used in conjunction with extensive research into the liquefaction of gases. James Dewar was born in Kincardine, Fife, Scotland, in 1842, the youngest of six boys. He lost his parents at the age of 15. He was educated at Dollar Academy and…
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Hazel Bishop and the Long Lasting Lipstick

Hazel Bishop and the Long Lasting Lipstick

On August 17, 1906, US-American chemist Hazel Gladys Bishop was born. She is best known as the inventor of the first long lasting lipstick in 1949, an invention on which she founded a successful cosmetic company. Hazel Gladys Bishop – A Career in Bio-Chemistry Hazel Gladys Bishop graduated in 1929, earning a degree in chemistry. It is assumed that originally, Bishop intended to become a doctor, but instead left medical school and started…
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Ehrenfried Walther von Tschirnhaus and the White Gold

Ehrenfried Walther von Tschirnhaus and the White Gold

On April 10, 1719, German mathematician, physicist, physician, and philosopher Ehrenfried Walter von Tschirnhaus was born. Among others, he is credited being the first European to discover the secret of the creation of porcelain in 1708. Certainly, the Meissen factory, established 1710 with its director Johann Friedrich Böttger, was the first to produce porcelain in Europe in large quantities and since the recipe was kept a trade secret by Böttger for his company, experiments…
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