Boring and Lifting: Tunnel Boring Machines and the Safety Elevator
Two machines that move in opposite directions and solve the same problem: making ground and height usable without disturbing what is already there.
Every page in the KEVOS library tagged Australian Standards. 6 pages.
Two machines that move in opposite directions and solve the same problem: making ground and height usable without disturbing what is already there.
How the Bessemer converter, the first synthetic polymers and engineered wood products replaced found material properties with specified, warranted ones.
Three milestones that made stored electricity dense enough to move a vehicle, then fast enough and cheap enough to stabilise a grid.
Interconnection turned separate power stations into one synchronised machine spanning a country, buying shared reserve and merit order dispatch at the price of propagating faults.
Three milestones between 1854 and 1860 established the modern urban water system: treat what comes in, separate and treat what goes out, and store enough head to survive a failure.
Three milestones showing what happens when concrete construction moves from large to unprecedented, and the governing parameter turns out to be hydrology, creep or heat rather t…