Beer under a microscope

just found this site while reading my big book of beer, and it's pretty cool. Basically they take beer and freeze it, then look at it under a really powerfully microscope. You would think they all look the same, but there are extreme differences between them. Pictured is a Sam Smith Oatmeal Stout. Check out the site...
http://www.micro.magnet.fsu.edu/beershots/index.html

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