Physics Free Audio & Video

Introduction to electricity, magnetism, electromagnetic waves, optics, and modern physics.

The most interesting and important topics in physics, stressing conceptual understanding rather than math, with applications to current events.

The inimitable Walter Lewin gives a literally hair-raising performance in this MIT Museum lecture/demonstration for learners young and old.

This Stanford Continuing Studies course is the fourth of a six-quarter sequence of classes exploring the essential theoretical foundations of modern physics.

Physicist Brian Greene explains superstring theory, the idea that minscule strands of energy vibrating in 11 dimensions create every particle and force in the universe.

Biologist Richard Dawkins makes a case for "thinking the improbable" by looking at how the human frame of reference limits our understanding of the universe.

This internationally known physicist has developed a theory of quantum physics which addresses the totality of existence, including matter and consciousness, as an unbroken whole.

This course covers the Milky Way galaxy, star formation and the interstellar medium, galaxies, black holes, quasars, dark matter, the expansion of the universe and its large-scale structure, and cosmology and the Big Bang.

Part one of this series takes Einstein's science as a starting point for exploring the great physicist's perspective on ideas such as mystery, eternity, and the mind of God.

This is an introduction to Einstein's space-bending, time-stretching theory of Relativity, written by the master himself.