Dan Gelbart
High precision air bearing CNC lathe and grinder
About this video
Dan Gelbart shows his home-built air bearing CNC lathe and grinder, which reaches about 1 micron accuracy. He demonstrates the machine and its parts.
Keep your curiosity going.
A few more ideas from the same corner of the archive.
Around The Corner - How Differential Steering Works (1937)
US Auto Industry
How Self-Driving Cars will Destroy Cities (and what to do about it)
Not Just Bikes
Detergent packs are kinda wishy-washy (Dishwashers Explained)
Technology Connections
Mechanical Computer (All Parts) - Basic Mechanisms In Fire Control Computers
Excelsior10000