Although the transistor had been invented the year before, the makers of this hat had to use vacuum tubes when they put it on the market in 1949. The hat could pick up radio stations within a radius of 20 miles. It came in a variety of colours: Lipstick Red, Tangerine, Flamingo, Canary Yellow, Chartreuse, …
The post Fable: The Radio Hat appeared first on Electronics Weekly .