John Kerr

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Kerr, John


Born Dec. 17, 1824, in Ardrossan, Scotland; died Aug. 18, 1907, in Glasgow. British physicist; member of the Royal Society (1890). Graduated from the University of Glasgow (1846) and taught there from 1857 to 1901. He discovered the phenomenon of birefringence in substances placed in an electric field (1875) and in a magnetic field (1876).


“A New Relation Between Electricity and Light: Dielectrified Media Birefringent.” Philosophical Magazine, 1875, vol. 50, pp. 337–48, 446–58.
“On Rotation of the Plane of Polarization by Reflection From the Pole of a Magnet.” Philosophical Magazine, 1877, vol. 3, pp. 321–43.
References in periodicals archive ?
John Kerr, creator and project manager for the competition, said: "Happiness can have a direct effect on your health, and in particular, your mental well-being.
John Kerr, creator and project manager said: "Happiness can have a direct effect on your health, and in particular, your mental well-being.
Deloitte speakers Jonathan Dodworth, director' Julie Swann, director'' Richard Edwards, practice senior partner' John Connolly, UK chief executive and senior partner' Andrea Howl, partner for Tax and John Kerr, managing partner for Innovation' Nigel Varley, Peter Croom, Jane Ashmore' Amelia Ford, Rob Pringle, Nick Johnson, Matt Ashcroft' Matt Cowlishaw with John Connolly
Sir David Smith was Official Secretary to five governors-general: Sir Paul Hasluck, Sir John Kerr, Sir Zelman Cowen, Sir Ninian Stephen and Mr Bill Hayden.
Sinead and John Kerr stayed in 11th place after the original dance phase of the ice dance competition at Palavela last night with the free dance also to come today.
Below, John Kerr, shows off a 15-pound largemouth bass.
NDA director John Kerr said, "We would also like to invite farmers and anyone involved with milk production, to come and have a look around the NDA show and meet the people and companies involved with the retail side of the milk industry.
John Kerr, RIMS technology advisory committee chairman, said the portal allows risk managers to search for information without getting swamped by irrelevant hits on a general Web page.
John Kerr, permanent undersecretary with the Foreign Office, made the comment Tuesday in a meeting with South Korean officials, Yonhap said.
It follows Tony Blair's failure to calm the affair by declaring " the good guys won" - while the Foreign Office's top mandarin, Sir John Kerr, was forced to retract damning evidence he had given to the Foreign Affairs Select Committee.
Mayor John Kerr says staging the contest would be a dream come true for Derry, home of singer Dana.
John Kerr as Senior Vice President and Chief Credit Officer of United Commercial Bank.