Math Monday: Make a Marble Run


By , 03/26/2012 @ 12:33 pm= | Full size is 460 × 822 pixels

  • Date Taken: 08-Mar-2012 04:20:40
  • Camera: Canon PowerShot SX20 IS
  • Focal Length: 6.98mm
  • Aperture: f/3.2
  • ISO: 80

Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.

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