StrongBrains.com

Physical Science by David Harriman

This excellent beginning physics course is available again. See Physics.

Physical Science by David Harriman. These wonderful lectures, recorded before an audience of students just learning science and mathematics, teach the critical ideas in man's knowledge of the physical world by starting at the beginning of science and showing each step by which more was learned, what evidence and reasoning validated the new knowledge and how each step built on and extended prior knowledge into wider integrations. I was a physics major when I entered college, yet I can easily say that my actual understanding of physics is much greater as a result of this course than I can credit to any other class I've taken – in large measure because I now have a clear grasp of what the physical theories actually refer to and, thus, why they are correct.

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Galileo Galilei's drawings of the phases of the moon, as observed through one of his telescopes, 1610.

Illustration from Newton's Philosophia Naturalis Principia Mathematica, 1726