- Johannes Kepler (December 27 1571 – November 15 1630) was a German Lutheran mathematician, astronomer and astrologer, and a key figure in the 17th century astronomical revolution. He is best known for his laws of planetary motion, which provided one of the foundations of Isaac Newton’s law of universal gravitation.
- The Newsstand That Spawned Microsoft is Set to Close (technologizer.com)
Out of Town News, the iconic newsstand smack in the middle of Cambridge, Mass.’s Harvard Square, is within a month of shutting down after 54 years in business. It’s one of the most famous meeting points in the Boston area, since it’s so impossible to miss. But as the Boston Globe reports today, it also played a supporting role in one of the most famous moments in computer history.
Geometry has two great treasures: one is the Theorem of Phythagoras, the other the division of a line in extreme and mean ratio. The first we can compare to a mass of gold; the other we may call a precious jewel.
Johannes KeplerI much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses.
Johannes KeplerI used to measure the heavens, now I measure the shadows of Earth. Although my mind was heaven-bound, the shadow of my body lies here.
Johannes Kepler