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This video shows a series a simple experiments in fluid dynamics on the space station:

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Don’t be put off by the length of the video (~47 minutes) or the disarmingly slow-paced presentation. Although these experiments are in some ways very simple, they’re wonderful to watch and visually appealing. (I like that they’re simple that they are experiments readers could imagine doing themselves… if only we could make it onto a space station!) You’ll notice how they ’make do’ with a lot of their materials.

Early in the video the presenter says that the water films are about 200 microns thick. A micron is one-thousanth of a millimetre. That’s a thin sheet of water!

Enjoy watching this.


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