One of the most basic mechanisms of the motion picture is frame rate—how fast those frames of still images flicker past your eye to produce the magical effect of cinema. This video traces the history of why such values as 24, 30, or 60 frames per second came to be standard.
We all know the motion picture is a lie. That movement on screen? It's just a bunch of still images. Still images that seem more like believable, realistic, lifelike motion the faster they flicker along. Faster is better, and that 48 frame-per-second version of The Hobbit was just the beginning.
Dr. Raymond Soneira of DisplayMate breaks down misinformation about displays,and specs. Never again will you be fooled by LCD refresh rates, or stymied when trying to explain interlacing!