An introduction to modern theories of the universe and its evolution. Topics include naked eye observation, the solar system, stars, galaxies, and cosmology. Emphasis will be placed on the scientific ...

A free online course from Rice University uses attention-grabbing videos, interactive lab activities, dramatic physics demonstrations, engaging instructors and a free online textbook to help high ...

This course examines energy as a fundamental concept in physics and an essential element of human society. Basic principles of energy conservation and transformation are developed to understand ...