The Wave Equation. If you take a long string and shake one end, you will create a disturbance. Guess what, with that simple shake you've made a wave pulse, which travels along the string.

Schrödinger Equation: Why is Schrödinger's wave equation used? Quantum Mechanics: How do I explain Quantum Mechanics to my 5-year old daughter?

The equation can be written as follows: 1/v^2 * ∂^2y/∂t^2= ∂^2y/∂x^2. In this equation, v is the velocity of a wave, and the other parts describe the displacement of the wave in one direction.

Video: Equations that rule the world The Pythagoreans figured out what makes strings sound harmonious THE alarm rings. You glance at the clock. The time is 6.30 am. You haven't even got out of bed ...

It’s in your physics textbook, go look. It says that you can either model light as an electromagnetic wave OR you can model light a stream of photons. You can’t use both models at the same ...