Tag Archives: Mandolins

How to Accidentally Make a Non-newtonian Fluid in your Kitchen

This week was another with the mandolin. After learning just how deep into my flesh I have to go to reveal my knuckle bone*, I decided I would take my friend’s advice and start using a kevlar glove. Here is my kevlar glove.IMG_20170507_074504068

You can see around the edges where it’s already beginning to show signs of damage from the merciless mandolin. It’s not as hard to grip as you would think, and I can go really fast now that I’m not worried about my safety.

In any case, I’ve been making hashbrowns for Alice. After I soaked the grated sweet potatoes I left the water for a while.IMG_20170507_074422517.jpgAlice, who does the dishes, found a goopy white substance at the bottom.

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I believe that this is sweet potato starch and water, a close cousin to the corn starch and water that together make oobleck. I wasn’t able to make my unintentional oobleck do anything exciting, but for those of you who have not heard of oobleck, it is a fluid whose viscosity changes depending on the forces acting upon it. Here is a informational video.

*This is hyperbole