The following animations are good videos showing animations of how heat engines and heat pumps work. The Otto Cycle and internal combustion engines. The Diesel engine. A split-system air-source heat pump.

Need a little Friday afternoon light physics reading. This article by John Walker about a high-energy proton that struck our atmosphere in 1991 will blow …. your …. mind. Follow this link to the article.

This is a very creative video dealing with the second law of thermodynamics I found on Ars Technica.

One of the recent Farmers Insurance commercials featuring the Farmers Insurance University shows a professor and students considering hypothetical trajectories drawn on a blackboard of a cow sent flying by a tornado. Here is a picture. As physics students with knowledge of projectile motion, you are equipped with the tools to assess the accuracy of