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Illusion

August 9, 2013

You know, this kid spells worse than I do, but here is a cool link on coherent effects and How Gravity Waves Work

Rainbow Adventure

Here’s an excellent “wavy” animation discovered by Till Hartmann. It’s a great illustration of a collective phenomena. When you observe closely, each dot travels along a regular circle-path. Since most of the circles are mutually out of phase, they form illusive waves floating steadily across the screen. Things like this happen all over the place; just take water or sound waves for example. They work in basically the same way – the small back-and-forth motions of individual molecules lead to compression larger-scale patterns moving throughout the medium.

It’s a simple demonstration of how large-scale, collective phenomena can emerge from very simple small-scale behaviour.

Circling Dots Optical Illusion

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From → Particle Physics

One Comment
  1. Sue permalink

    Awesome!! An excellent teaching device.

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