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joshua dickinson

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Johannes Kepler

Died 15 Nov 1630 at age 58 (born 27 Dec 1571). German astronomer who formulated three major laws of planetary motion which enabled Isaac Newton to devise the law of gravitation. Working from the carefully measured positions of the planets recorded by Tycho Brahe, Kepler mathematically deduced three relationships from the data: (1) the planets move in elliptical orbits with the Sun at one focus; (2) the radius vector sweeps out equal areas in equal times; and (3) for two planets the squares of their periods are proportional to the cubes of their mean distances from the sun. Kepler suggested that the tides were caused by the attraction of the moon. He believed that the universe was governed by mathematical rules, but recognized the importance of experimental verification.«

Dangerous food

A dietitian was once addressing a large audience in Chicago. "The material we put into our stomachs is enough to have killed most of us sitting here, years ago. Red meat is awful. Soft drinks erode your stomach lining. Chinese food is loaded with MSG, and none of us realizes the long-term harm caused by the germs in our drinking water."

"But there is one thing that is the most dangerous of all and we all have, or will, eat it. Can anyone here tell me what food it is that causes the most grief and suffering for years after eating it?"

A 75-year-old man in the front row stood up and said,

"Wedding cake."

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