I have been reading this and found this part intriguing
Quote:
In one analogy he imagined a large cylindrical glass container of glycerine mounted on a turntable. We place a spot of black ink in the glycerine. We slowly rotate the container, and the ink gradually disperses throughout the glycerine. If we slowly rotate the cylinder in the opposite direction the spot of ink gradually re-forms
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I thought this was just an "analogy" but while looking into it more I found a
video and I would never of believed that it is possible, you actually can do this