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MICHAEL FARADAY
At the age of 20, he attended lectures by an English chemist, Humphry Davy. He employed Faraday as a secretary and later, he appointed Faraday as Chemical Assistant at the Royal Institution.
Michael Faraday(22 September 1791 – 25 August 1867) was the son of a blacksmith, and his family was not well off. He had 3 other siblings, and he was the third out of four children in the family. Faraday had very little education, only the basics. Being apprenticed to a local bookbinder and bookseller allowed him to read many books and therefore, developing an interest for science.
Biodata
While Faraday was doing a study on chlorine, he discovered two new chlorides of carbon. He also discovered chemical substances such as benzene, and succeeded in liquefying several gases such as chlorine. He also discovered electromagnetic induction, the production of voltage across a conductor moving through a magnetic field.
Discoveries
He invented the early form of a Bunsen Burner. In 1821, Faraday built two devices to produce an electromagnetic rotation with the help of Humphy Davy and British scientist William Hyde Wollaston.
Having discovered electromagnetic induction, Faraday came up with this law: the induced electromotive force(EMF) in any closed circuit is equal to the time rate of change of the magnetic flux through the circuit. Faraday later constructed the electric dynamo, a power generator.
Inventions
He also discovered the Faraday Effect: The rotation of the plane of polarization is proportional to the intensity of the component of the applied magnetic field in the direction of the beam of light.
His creation of the early form of the Bunsen Burner is now used as a convenient source of heat in science labs. His creation of the dynamo allowed people to generate electricity. Till now, the dynamo is still used in low power applications where low voltage is needed. His discovery of the electomagnetic induction led to to the modern electric motor, generator and transformer.
Impact
http://inventors.about.com/library/inventors/blfaraday.htm
http://en.wikipedia.org/wiki/Michael_Faraday
Acknowledgements
