Solving vector operations step-by-step! ➡️📐 In this video, we break down how to perform vector operations, such as addition, subtraction, and scalar multiplication, with real-world physics examples.

Jump start physics problem with a mass on a spring. This video explains the setup, key assumptions, and the step-by-step physics needed to solve for motion, energy, and forces in a spring–mass system.

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 ...