ooblick

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/oo'blik/ [from Dr. Seuss's `Bartholomew and the Oobleck'] n. A bizarre semi-liquid sludge made from cornstarch and water. Enjoyed among hackers who make batches during playtime at parties for its amusing and extremely non-Newtonian behavior; it pours and splatters, but resists rapid motion like a solid and will even crack when hit by a hammer. Often found near lasers.

Here is a field-tested ooblick recipe contributed by GLS

1 cup cornstarch

1 cup baking soda

3/4 cup water

N drops of food coloring

This recipe isn't quite as non-Newtonian as a pure cornstarch ooblick, but has an appropriately slimy feel.

Some, however, insist that the notion of an ooblick *recipe* is far too mechanical, and that it is best to add the water in small increments so that the various mixed states the cornstarch goes through as it *becomes* ooblick can be grokked in fullness by many hands. For optional ingredients of this experience, see the "Ceremonial Chemicals" section of appendix B.