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Watch people walk, run and dance on a liquid that thinks it's a solid

Non-Newtonian fluids are seriously strange — a mixture that takes on properties of both a fluid and a solid. Watch as people perform a number of physics-defying tricks on a 2,100 galloon pool of "oobleck."


The viscosity of non-Newtonian fluids change according to the amount of force applied to it and include everyday items like ketchup, toothpaste, shampoo, paint — even blood.

Oobleck is basically a mixture of corn starch and water. You can even make a batch yourself; check out this video in which the HardScience team tries to bike across a trough filled with home-made oobleck:

[h/t Laughing Squid]

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If you are of a certain age, you know what comes to mind at the 0:14 mark of the first video.