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Magic Sand

Posted by Hemos on from the flowing-nicely dept.

fist_187 writes "Here's a link to an interesting chemistry video about "magic sand", a hydrophobic solid. I've seen something like this done before with a certain type of pollen. But, this is the first demonstration I've seen that uses a material actually more dense than water."

5 of 37 comments (clear)

  1. Here's a better link to the same material by hackwrench · · Score: 2, Informative

    Link
    Google Search
    It wouldn't have taken much to make that article much better.

  2. My kid has some of this stuff. by clintp · · Score: 2, Informative

    My kid got some of this stuff for Christmas a few years ago. It's sold under the name "Squand."

    --
    Get off my lawn.
  3. For the brave... by JasonMaggini · · Score: 4, Informative

    There is a link for directions here, which basically says to ScotchGuard some baked beach sand... YMMV

  4. Re:Windshield? by Time_Ngler · · Score: 2, Informative

    They already have it. http://rainx.com/frame_auto_glass.htm

  5. Re:interesting but i'm not entirely convinced by Anonymous Coward · · Score: 1, Informative

    It remains dry, but has a tendancy to stick to the wet side of the container - until the container dries out.