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This website devoted to miscellanea about Archimedes contains much interesting material about his life and times.
A seminar of faculty from colleges and universities in the Philadelphia area, meeting monthly at Villanova University.
This is the title page of the 1640 printing of Galileo's Operation of the Geometrical and Military Compass, originally published privately in 1606. Galileo had invented a version of this geometrical compass a few years earlier and evidently gave copies of this manual to those who bought the compass. The compass had many uses, from performing square root calculations to determining ranges of cannons to solving surveying problems.
A translation from the original Greek of a manuscript on magic squares by the Byzantine scholar Manuel Moschopoulos, written about 1315
A survey of the attempts to prove Kepler's conjecture over the past 400 years.
A cat sitting on a wall 4 cubits high saw a rat prowling 8 cubits from the foot of the wall;
The perimeters of two similar triangles are 45 and 135 respectively. One side of the first triangle has length 11″ and a second side, 19″. Find the lengths of the sides of the second triangle.
What is the perpendicular height of a cloud when it's angles of elevation were 35 degrees and 64 degrees as taken by two observers?
A lady being asked how old she was at the time of her marriage replied that the age of her oldest son was 13; that he was born 2 years after her marriage...
A detailed study of the cycles of the Mayan calendar, along with some other ancient calendars.

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