Madame du Barry, the mistress of the French King Louis XV, divided opinion in the court at the Palace of Versailles during the later 18th century. In part four of this four-part series, learners will hear about life after her banishment...

Three 20.0-gram masses are 9.4 cm from an axis of rotation and rotating at 152 revolutions per minute. What is the moment of inertia of the three-object system? The strings holding the masses are of negligible mass. Rotational Kinetic...

This is a professional shadowgraph performance of a traditional folk tale. It is seen from the front and also backstage and shows how the shadows are cast and how some special effects are achieved.
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A little shadowgraph...

What is heat? It's not just a movie with Pacino and DeNiro. Learn all about heat, and more importantly, enthalpy! Energy exchange is a big part of chemistry.