basically your stretching the corn starch , the dye pervades through the layers and gets span out, till its re aligned by reversal. Hence the 'deck of cards' reference.
I will explain magnets next time :D
(SpinIts a thing., Wed 27 Oct 2010, 21:47,
Reply)
Now they're definitely witchcraft.
(evil_andyStick stick stick stick sticky sticky stick stick, Wed 27 Oct 2010, 22:10,
Reply)
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