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 ...

Learn how to determine the observed intensity of a supernova using core physics ideas like luminosity, distance, and the inverse-square law. This video walks through the reasoning and calculations ...

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 ...