Wednesday 7 February 2007 — This is more than 16 years old. Be careful.
I saw this video a few weeks back, linked from a post (since lost) about counter-intuitive materials: A pool filled with non-newtonian liquid. The mixture of cornstarch and water is a liquid, until a strong force is applied to it, at which point it acts like a solid. The result is that a pool filled with this slurry can be walked across if you keep moving briskly. Pause for a moment, and you sink.
There's a modern form using specially shaped nano-particles instead of starch that's got interesting applications in body armor, too.
That's amazing. It makes me want to fill up one of our paddling pools.
I wonder whether the post was this from NewScientist:
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