29 November 2017

"Fluidized bed" demonstrated


More at Wikipedia.
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2 comments:

  1. StellaNovember 29, 2017 at 9:20 PM

    Related to quicksand?

    ReplyDelete
  2. AnonymousNovember 30, 2017 at 10:15 AM

    those kids diving and going under - i wonder how much sand they swallowed?

    I-)

    ReplyDelete

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