Featured in the Winter 2001–2002 Issue
Vol. 14, No. 4

FEATURES

Pedro Paulet: Peruvian Space and Rocket Pioneer
Sara Madueño Paulet de Vásquez
The inventor of the liquid fuel motor (1895) and the first modern rocket propulsion system (1900) was a Peruvian engineer and statesman. His story is told here by his great niece.

The Division of the Circle and Gauss’s Concept of the Complex Domain
Bruce Director
The complex plane, as Gauss developed it, is not what you learned in textbooks.

Kepler Exposes Aristotle’s Sabotage of Astronomy
Kepler charged Aristotle with 2,000 years of sabotage of science, for using a false argument to insist that the Sun must orbit a stationary Earth.

• Johannes Kepler’s Objections to Aristotle
Translated by George Gregory

• Aristotle on the Position and Motion of the Earth

• Afterword: The Context of Kepler’s Attack on Aristotle’s Lie
George Gregory

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