Jamie Price writes with a nice tutorial on putting technology to use in the service of mankind, with one of his latest projects — BaR2D2. "BaR2D2 is a radio-controlled, mobile bar that features a motorized beer elevator, motorized ice/mixer drawer, six-bottle shot dispenser, and sound activated neon lighting. The robot is driveable so you can take the party on the road! It was created in my garage using standard hand/power tools and readily available parts and materials. Here is a video of it in action. To see the full how-to with tons of pictures, check out the build.