Mystery History
AMAZING VIDEO! Man Lifts 20 Ton Block By Hand?
About this video
A short video of a man moving a 20 ton stone block by himself using wood and levers. It is part of a pyramid-mysteries channel.
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