Template:Are You Sure/January 19
• ... that Johannes Kepler described his new astronomy as "celestial physics", as "an excursion into Aristotle's Metaphysics", and as "a supplement to Aristotle's On the Heavens", transforming the ancient tradition of physical cosmology by treating astronomy as part of a universal mathematical physics?
• ... that Dee Ring, the home-repair superspy played by Patrick McGoohan in the television series D-Ring: Agent of Suspense, also appears in a crossover episode of Secret Reagent Man starring McGoohan and Johnny Rivers?
• ... that before electrical engineer Zénobe Gramme's invention of the Gramme machine, electric motors attained only low power and were mainly used as toys or laboratory curiosities?
• ... that ENIAC (from "Empty Noise Into Alien Communication") was a secret SETI program during the Second World War, and that the Allies hoped to gather and reverse-engineer advanced technologies by transmitting disinformation to alien civilizations?