Pouring Molten Aluminum Into a Pint of Oobleck, a Non-Newtonian Fluid

By: | September 18th, 2015

If you aren’t familiar with the Youtuber TheBackyardScientist, you need to peruse his channel whenever time permits.

There are some really neat experiments on the channel, and multiple videos with his favorite metal, molten aluminum.

Fans clamored to find out what would happen when molten aluminum was poured into a pint of oobleck, so of course TheBackyardScientist obliged.

“Many of you suggested for me to pour molten aluminum into Oobleck. It sounded like a fun experiment so I gave it a go!” TheBackyardScientist explains in the video’s description.

First off, it is important to note that oobleck is classified as a non-Newtonian fluid, meaning it displays properties of both solids and liquids.

This results in oobleck feeling like a liquid when dipping your hand in it but like a solid when punched or squeezed.

Oobleck can be made at home, so naturally TheBackyardScientist cooks some up by mixing cornstarch with water. A little food coloring is added for better visibility in the video.

Upon pouring the molten aluminum into the oobleck, nothing crazy happens beyond some smoke and a few bubbles.

The scientist looks a bit let down, surely the reaction thousands of fans will have, but not all experiments render wild results.

It is cool to see that the extreme heat from the molten aluminum turned the pint of oobleck into a jelly-like substance.

The aluminum was solidified into weird looking blobs.

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