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fred schwickrath

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Eugenio Beltrami

Died 18 Feb 1900 at age 64 (born 16 Nov 1835).Italian mathematician and mathematical physicist known for his concepts of non-Euclidean geometry. In 1865, he published a paper on how line elements on the surfaces of constant curvature could be represented by linear expressions. His approach offered a new representation of the geometry of constant curvature that was consistent with Euclidean theory. Beltrami studied elasticity, wave theory, optics, thermodynamics, and potential theory, and was among the first to explore the concepts of hyperspace and time as a fourth dimension. His investigations in the conduction of heat led to linear partial differential equations. Some of Beltrami's last work was on a mechanical interpretation of Maxwell's equations.

9 out of 10 doctors agree

The New England Journal of Medicine reports that 9 out of 10 doctors agree that 1 out of 10 doctors is an idiot.

Jay Leno (April 28 1950-)

Picture: Reuters

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