During WWII, engineers produced some of the most iconic aircraft in history. From sleek fighters to hulking steel beasts -- ...

If the Earth were a flat surface and the Sun moved overhead and you traced shadows over the course of a year, the shadow's ...

Researchers at OIST built a graphite disk that levitates and spins for hours in a vacuum, showing how perfect magnetic symmetry can cancel energy loss.

Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well ...

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 ...

Deep in the core of most galaxies, hidden by spinning clouds of gas and dust, black holes spin like cosmic engines. These giants — some are billions of times heavier than our sun — can shoot out ...

Consider the rotor of a gyroscope. The rotor is attached to a frame that is rotating about a fixed vertical axes with a constant rate of ω 1, and with the rotor rotating relative to that frame at a ...