The “Golden Age of Radio” supposedly ended in the ’50s, with the advent of television. But guess what? TV shows were broadcast with radio signals. And...
When you think of Star Wars, you think of lightsabers. Right? What could be better, from a movie-making standpoint, than a futuristic sword that lets you...
Let’s use our car again, but this time we’ll get real numbers from the accelerometer in our smartphone. Say we start at a red light and...
But you already know about this, because Fg is what normies call an object’s “weight,” and for a given volume, weight depends only on the density....
It’s fun to think about the fundamental physical constants. These are special values used in our models of the physical universe. They include things like the...