If you cultivate an interest in building radios it’s likely that you’ll at some point make a simple receiver. Perhaps a regenerative receiver, or maybe a direct conversion design, it’ll take a couple ...

Today pocket transistor radios manufactured in the 1950s are very collectable. Some models are highly sought after by collectors and regularly sell for hundreds of dollars. It is not uncommon to find ...

So What Was the Transistor Good For? Transistors may have been useful to the phone company and to a handful of scientists building computers, but that wasn't enough to build an industry. Companies ...