Robert Fludd
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Robert Fludd, also known as Robertus de Fluctibus, was a prominent English Paracelsian physician with both scientific and occult interests. He is remembered as an astrologer, mathematician, cosmologis
Robert Fludd
Fludd's illustration of man the microcosm within the universal macrocosm
Titlepage of the Summum Bonum under the name of Joachim Frizius
"An Astrologer Casting a Horoscope", from Robert Fludd's Utriusque Cosmi Historia, 1617
Perpetual motion
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Perpetual motion is the motion of bodies that continues forever in an unperturbed system. A perpetual motion machine is a hypothetical machine that can do work indefinitely without an external energy
Robert Fludd
…Music) which described his theories of music, including his mundane (also known as "divine" or "celestial") monochord. In 1630, Fludd proposed many perpetual motion machines. People were trying to patent variations of Fludd's machine in the 1870s. Fludd's machine worked by recirculation by means of a water wheel and Archimedean…
October 1920 issue of Popular Science magazine, on perpetual motion. Although scientists have established that perpetual motion is incompatible with the laws of physics, the idea continues to capture the imagination of inventors.
Perpetuum mobile of Villard de Honnecourt (about 1230).
Perpetual motion wheels from a drawing by Leonardo da Vinci