
The Perceptron — Why a Single Line Still Matters
In 1958, Frank Rosenblatt built a machine that could learn. Not be programmed—learn. The Mark I Perceptron was a room of wires and motorized potentiometers wired to a grid of four hundred photocells, and when you showed it images, it adjusted itself until it could tell them apart. The New York Times reported that the Navy expected it to “walk, talk, see, write, reproduce itself and be conscious of its existence.” It could do none of these things. What it could do was draw a line. …








