Maker Profile * Public Projections - Bike along with Ali Momeni and his fleet of mobile video projectors that transform public spaces into massive sound and light shows. And see the first projector, the "magic lantern," that's still in use today. Maker Workshop * Wind Power Generator - John Park combines a used treadmill motor and PVC pipe to build a wind generator. Maker to Maker * Load-Release Devices - In this Toolbox segment, William Gurstelle introduces us to load-release devices like the panic snap and the pelican hook. Maker Channel * Balloon Organ - Fran Holland's bagpipe-sounding musical balloon instrument. * Ball-Fetching Robot - Mark Whitney's autonomous dog-like robot that can follow and fetch a ball. * Truth Wristband - Sean Montgomery's wristband that uses technology similar to what's in lie detectors. * [Trouble Maker] Drink Beer on CSPAN - Bill Barminski demonstrates a video hack, inserting himself into CSPAN's congressional coverage.