Whether felling trees, trimming pipes, or shortening a 2x4, the handsaw has been in use since nearly the dawn of civilization. With a design dating back 4,500 years to copper-cutting tools, the handsaw has hewn a path through time. After reviewing its history--including ancient Egyptian bronze handsaws to steel-cutting gadgets found in every toolbox--we watch a sheet of flat steel be notched, set, and ground into a precise blade at Great Neck Tool Company, and review the latest cutting technologies.