Circular motion

Constant acceleration We've studied motion in a straight line by watching Felix step from his gondola, 40 km above the earth. You can skip to about 2 minutes if you want to see the highlights. We've also studied motion in … Continue reading

Artificial smoke

A physicist could come up with an elaborate model for simulating smoke that produces results indistinguishable from real smoke. We are interested in simple models, with successive refinement. Our first version of smoke introduces the idea of gradual fading by … Continue reading