From Wolfram's MathWorld, an advanced look at the mathematics of waves, using partial differential equations.
Direct Measurement videos show situations that viewers can use to learn and apply physics concepts. Grids, rulers, and frame-counters are added as overlays on the video. These allow viewers to make precise measurements of quantities such as position and time.
Jean Le Rond d'Alembert
Mus. Sci. History, Florence - An illustration of Boyle's original experimental apparatus.
News & Events
The Papua New Guinea Tsunamis of 1998
News from around the world of science.
Google - Research database allows searching of the scholarly literature.