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Sarah Canada

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Erasmus Reinhold

Died 19 Feb 1553 at age 41 (born 22 Oct 1511). German mathematician who was a leading mathematical astronomer in his time. He carefully calculated the first set of planetary tables applying Copernican theory, published in 1551. They were named after his financial supporter (Albert, Duke of Prussia) as the Tabulae Prutenicae. Although Reinhold's work furthered the acceptance of Copernican views, he expressed no enthusiasm for the heliocentric assumption. He merely accepted it for having merit as a mathematical device yielding practical results. His tables were superceded in three-quarters of a century by Kepler's improvements.«

April Fool's Day - Here are 5 pranks you can play on people

1. Add several odd appointments with alarms set to go off during the day to a co-worker’s Outlook calendar.
2. Hide all of the desktop icons on someone’s computer and replace the monitor’s wallpaper with a screen-shot of their desktop.
3. Put a “Please Use Other Door” sign on the entrance to your office building if it only has one entrance.
4. Put a balloon on the tailpipe of a someone’s car so it will pop when they start their car.
5. Glue the headset of someone’s phone down to the cradle.
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