One of Randy Sarafan's "Simple Bots" (instructables.com/simplebots), seen at Maker Faire 2012. Ingenious and mysterious coupling causes it to move backwards when it runs into something. - https://picasaweb.google.com/1033307...
"Scurvy had been the leading killer of sailors on long ocean voyages; some ships experienced losses as high as 90% of their men. With the introduction of lemon juice, the British suddenly held a massive strategic advantage over their rivals, one they put to good use in the Napoleonic wars."
- Private Sanjeev
Bay mobilizing to Mobile for some Gulf Games goodness.