Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. His new book is Maker Dad: Lunch Box Guitars, Antigravity Jars, and 22 Other Incredibly Cool Father-Daughter DIY Projects


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  1. BackToYouJim

    [That was 90% gravity][1].
  2. crenquis

    That would make an awesome Brawndo commercial!!!

  3. SamWinston

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