The wave simulator, created by Paul Falstad, can be used to create a wide range of demos with reflectors, lenses, cavities, and point sources. Common examples such as multiple source and multiple slit interference,...

Science Joy Wagon and the Ithaca City School District offer the Physics Zone Web site as a resource for algebra-based physics courses. Numerous interactive lessons, simulations, descriptions, and other online learning...

Music, the human voice, and the ambient sounds all around us are the work of acoustics, the physics of sound. But how does it work? How is sound produced, and what happens when we are hearing it? This Topic in Depth...