Watch this machinist create five extremely tiny nested cubes

A turner's cube is a traditional machinist's exercise to test consistency and tolerances when milling metal. But this two-millimeter cube in a cube in a cube in a cube in a cube is next-level skill. Read the rest

Watch Depression-era machinists and laborers forge and mill steel parts

When watching assembly line robots of today, it's easy to forget that gruelling repetitive work used to be done manually. This beautiful footage from 1936 shows the precision needed, and it's beautifully lit and shot in black and white. Read the rest