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Michael Faraday

physics
André-Marie Ampère and Electromagnetism

André-Marie Ampère and Electromagnetism

Tabea Tietz
On January 20, 1775, French physicist and mathematician André-Marie Ampère was born, after whom the unit of measurement of electric current, the ampere, is named. He is generally considered as one of the main founders of the science of classical electromagnetism, which he referred to as “electrodynamics“. A Child Prodigy André-Maria Ampère was born into a well educated family and influenced by the theories of Jean-Jacques Rousseau early. He was home schooled by his…
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physics
Nicholas Callan and the Induction Coil

Nicholas Callan and the Induction Coil

Tabea Tietz
On December 22, 1799, Irish priest and physicist Nicholas Callan was born. Callan invented the induction coil (1836) before that of better-known Heinrich Ruhmkorff. Callan‘s coil was built using a horseshoe shaped iron bar wound with a secondary coil of thin insulated wire under a separate winding of thick insulated wire as the “primary” coil. Each time a battery‘s current through the “primary” coil was interrupted, a high voltage current was produced in…
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chemistry
Sir Frederick Abel and the Smokeless Gunpowder

Sir Frederick Abel and the Smokeless Gunpowder

Tabea Tietz
On July 17, 1827, English chemist Sir Frederick Abel was born. Abel was a military explosives specialist, and with the chemist Sir James Dewar, invented cordite in 1889, which is a smokeless gunpowder that was later adopted as the standard explosive of the British army, and proved vital in WWI. Frederick Abel – Early Years Frederick Abel was the son of the German-English musician Johann Leopold Abel and great-grandson of Leopold August…
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