12:37 AM - 1:03 AMReplayMachines: How They Work3-D Printers, Cross Trainers, and Kitchen MixersReplay
1:28 AM - 1:54 AMReplayMachines: How They WorkGarden Shredders, Deli Meat Slicers, and Dental DrillsReplay
1:54 AM - 2:20 AMReplayMachines: How They WorkOutboard Motors, Pneumatic Drills, and Retractable PensReplay
2:20 AM - 2:45 AMReplayMachines: How They WorkFrozen Yogurt Makers, Turnstiles, and Ergonomic ChairsReplay