Technology

WaterHobo: robotic trespasser sentry

Tim Higgins had some problems with kids cutting through his yard. His solution is a water cannon sentry that watches the yard and hoses down trespassers. I’m dreaming of making something like this to keep the squirrels off of my tomatoes, so it’s cool to see what worked and what didn’t in Tim’s system. I […]

Lightning globe

This Instructable, involving high-voltage electricity, shows how to create a “lightning globe.” Probably not a good idea for most people to mess with, but the results sure look cool. This globe was done by the same guy who make a lethal electric fence from a computer monitor. Make your own Lightning Globe! – Link Related: […]

White Lies: the empathic robot painter

Trossen Robotics runs a monthly contest to encourage interesting and innovative robot-related projects. The winning entry this month (September) is an art piece called White Lies, a mysterious robot painting machine housed in old sewing cabinet that paints as you approach and touch it. First place winners of the contest get a $200 Trossen Robotics […]