- “Duck and Cover” is a Civil Defense film, demonstrating the “Duck and Cover” technique of minimizing harm from a nuclear blast. The techniques have been widely ridiculed, although experts still support them. Some critics believe the film was meant to serve a dual purpose of propagandizing against communism.
- Johannes Kepler (wikiquote.org)
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.