27 Mar Why is tomato sauce so hard to pour?

Posted at 15:55h in Weird, Whacky, Wonderful Stuff by

Ever go to pour ketchup on your fries…and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? Here’s the physics behind this frustrating phenomenon.

This TED video explains how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back again.

Source: TED Talks

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