CONCEPT
The Governor
James Watt's 1788 centrifugal device — and Wiener's paradigmatic metaphor — for the regulatory mechanism that converts raw power into sustainable capability. The small, almost laughably simple structure without which the engine destroys itself.
The Watt governor is a device of absurd simplicity: two metal balls on a spinning shaft, rising with centrifugal force, throttling the steam supply as they rise. As speed increases, the balls lift, the valve closes, less steam reaches the cylinder, speed drops, balls fall, valve opens. The engine oscillates around a target speed. Wiener used it repeatedly as his paradigmatic illustration of negative feedback, and the metaphor did more than pedagogical work: the governor illustrated a principle Wiener considered foundational to understanding technology — that power without regulation is not merely dangerous but categorically different from power with regulation. An ungoverned steam engine is a bomb with a useful phase. A governed one is a tool. The difference is the governor.
In The You On AI Field Guide
Before Watt's refinement of the centrifugal governor in 1788, the steam engine was a device of enormous power and negligible control. It could drive a mill or pump a mine,