The Sound of Freezing: Explained!

For the last few months I've been experimenting with ways to grow ice crystals, and while there's a lot to come on that front (Subscribe for the rest!), welcome to Episode 1: The Sound of Freezing! The vacuum-evaporation setup I used to freeze water in this video was one of the first I tried, and it wasn't until recently I realized that I had inadvertently recorded the SOUND of freezing water - I didn't think it was possible (and I thought freezing water wouldn't make a sound). In this video I explain dendritic growth of crystals, freezing water ice from supercooled liquid, and propose a source for the crackling noise that seems to accompany the formation of ice crystals! Enjoy!

CORRECTIONS: [none yet!]

Other videos in this series:

The Sound of Freezing, Explained! https://youtu.be/Wd_c0A8u3lw The Sound of Freezing (Bonus Footage) https://youtu.be/hpzutKRSukw

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#Materials #Physics #Crystals

Music in this video: I Dunno by grapes is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/3.0/) http://ccmixter.org/files/grapes/16626 ... https://www.youtube.com/watch?v=Wd_c0A8u3lw