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Monthly Archives: December 2016

engineering
Eli Whitney – The Invention of the Cotton Gin and the Antebellum South

Eli Whitney – The Invention of the Cotton Gin and the Antebellum South

Tabea Tietz
On December 8, 1765, American inventor Eli Whitney was born. Whitney is best known for inventing the cotton gin. This was one of the key inventions of the Industrial Revolution and shaped the economy of the Antebellum South. Whitney’s invention made upland short cotton into a profitable crop, which strengthened the economic foundation of slavery in the United States. “As Arkwright and Whitney were the demi-gods of cotton, so prolific Time will yet…
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medical science
Thomas Bartholin and the Lymphatic System

Thomas Bartholin and the Lymphatic System

Tabea Tietz
On December 4, 1680, Danish physician, mathematician, and theologian Thomas Bartholin passed away. Bartholin was first to describe fully the entire human lymphatic system (1652), an early defender of Harvey’s discovery of the circulation of blood, and he is known for his advancements of the theory of refrigeration anesthesia, being the first to describe it scientifically.[2] The Lymphatic System Already in the 5th century BC, Hippocrates was one of the first persons to…
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engineering
Samuel Crompton and the Spinning Mule

Samuel Crompton and the Spinning Mule

Harald Sack
On December 3, 1753, English inventor and pioneer of the spinning industry Samuel Crompton was born. Building on the work of James Hargreaves and Richard Arkwright he invented the spinning mule, a machine that revolutionised the industry worldwide. Early Years Samuel Crompton was born as the oldest son among three siblings in Bolton, Lancashire, UK to George Crompton, a caretaker at nearby Hall i’ th’ Wood, and his wife Betty. While he…
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physics
Heinrich Barkhausen and the Barkhausen Effect

Heinrich Barkhausen and the Barkhausen Effect

Tabea Tietz
On December 2, 1881, German physicist Heinrich Barkhausen was born. Barkhausen discovered the Barkhausen effect (1919), a principle concerning changes in the magnetic properties of metal. With K. Kurz, he invented the Barkhausen-Kurz oscillator, the first vacuum tube electronic oscillator to use electron transit-time effects. Heinrich Barkhausen – Early Years Heinrich Barkhausen came from a respected Bremen middle-class family. He showed interest in technology and natural sciences in his early youth, whereupon his…
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