Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming tool ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

We have long taken it for granted that gravity is one of the basic forces of nature—one of the invisible threads that keeps ...

A new study shows the tradeoff between power and efficiency in muscles is governed by proteins that form a molecular tuning ...

The unmistakable silhouette of Air Force One has long stood as a global symbol of American power, authority, and presidential prestige. But the recent announcement that Donald Trump has accepted a ...

One of the big ideas in physics is that forces change the motion of an object ... velocity of the ship are represented by vectors (the symbols with the arrow on top). That means direction matters.