If you blow air through sand, it becomes a "fluidized bed," and acts just like a liquid http://pic.twitter.com/5fJZMClJsO
— Kyle Hill (@Sci_Phile) September 20, 2017
via Twitter https://twitter.com/Sci_Phile
September 20, 2017 at 11:47PM
If you blow air through sand, it becomes a "fluidized bed," and acts just like a liquid http://pic.twitter.com/5fJZMClJsO
— Kyle Hill (@Sci_Phile) September 20, 2017
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