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Paint is a non-newtonian fluid. A flat surface covered with white paint is oriented vertically (before taking the picture the flat surface was horizon
Paint is a non-newtonian fluid. A flat surface covered with white paint is oriented vertically (before taking the picture the flat surface was horizontal, placed on a table). The fluid starts dripping down the surface but, because of its non-newtonian nature, it is subjected to stress due to the gravitational acceleration. Therefore, instead of slipping along the surface, it forms very large and very dense droplets with limited dripping.
Demonstration of a non-Newtonian fluid at Universum in Mexico City
Demonstration of a non-Newtonian fluid at Universum in Mexico City
Oobleck on a subwoofer. Applying force to oobleck, by sound waves in this case, makes the non-Newtonian fluid thicken.
Oobleck on a subwoofer. Applying force to oobleck, by sound waves in this case, makes the non-Newtonian fluid thicken.
Slime flows under low stresses but breaks under higher stresses
Slime flows under low stresses but breaks under higher stresses
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A typical dish of tomato ketchup
A typical dish of tomato ketchup
Homemade mushroom ketchup in a plastic tub
Homemade mushroom ketchup in a plastic tub
Tomato ketchup and other condiments
Tomato ketchup and other condiments
Tomato ketchup next to raw tomatoes
Tomato ketchup next to raw tomatoes