TED-Ed: What are those colors you see when you rub your eyes? | Paul CJ Taylor

The video explores Newton's experiments with eye safety, focusing on afterimages and visual illusions. It explains how photoreceptors in the retina process light to create images and discusses theories behind positive and negative afterimages. The video also covers pressure phosphines, visual effects caused by physical pressure on the eyes, and other phenomena like cosmic radiation-induced illusions.

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