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high speed video of mercury pump (Patreon)

Published:
2017-02-04 00:31:24
Imported:
2021-10

Content

I love how you can see the dropplets falling down and captering small ammounts of (very rarified) air before compressing it away. also you can see the radiomiter is rotating rather fast since this is being filmed at 1500fps. 

Files

High speed video of Sprengel pump in action (nearly full vacuum)

This is filmed at 1500fps at an atmospheric pressure of around 5microns.

Comments

Paul Grodt

Do you have any better vacuum measurement devices yet? I'd be really excited to see how low you can pump with this. Be careful with the concept of "nearly full vacuum" you can almost always pump a little further. After 29mmhg, you got high-vac, after high-vac, you've got ultra-high vac, and even then there are still stubborn little molecules clinging to stuff :)

Anonymous

I think this is my second favorite of your videos. My favorite was the first time you made heavy water. In both cases it's something about using macro scale, relatively crude tools to get at molecular or atomic level results via a clear understanding of the processes involved. I don't know. Anyway thank you.