Physicists in France can watch as a mirror-lined box gradually “decides” how many photons it contains. Their experiment, which uses atoms to count the number of photons in the box without destroying ...

Master vector derivatives in polar coordinates with this clear physics tutorial! Learn step-by-step how to compute derivatives, understand radial and angular components, and apply them to mechanics ...

Discover the physics behind the MythBusters rocket car experiment by breaking down how momentum changes during thrust and motion. This video explains impulse, force, and conservation of momentum in a ...