particleIn everyday speech, a particle is a bit of matter. I might say that there is particle of dirt on the lens of my glasses.(...) Read More
particle-wave dualityWhen a photon hits your eye, it’s a particle. When it hits your eye, it interacts with a particular electron in the retina(...) Read More
periodIf you were standing on a dock and water waves were coming at you, the period would be the time interval between waves. In(...) Read More
Periodic Table of the ElementsThe Periodic Table of the Elements lists all the elements, over 100 of them, in a specific sequence. This includes the(...) Read More
physical constantThe constant c, the speed of light in a vacuum, is an example of a physical constant. It is a constant of nature, always(...) Read More
piPi is symbolized π and pronounced like "pie." It is the mathematical symbol for the number 3.14159…, which goes on(...) Read More
probability amplitude“Probability amplitude” is a term used in quantum physics. It’s a number that appears in Schrodinger’s Wave Equation. Let’s(...) Read More
probability waveMax Born, one of the early quantum physicists in the 1920's and '30s, proposed that between detections, quantum particles(...) Read More