Semiconductors are hard enough to describe with elaborate mathematical tools, is a physical model too much to ask? [Chuck] has designed, printed and explained the workings of a BJT transistor ...

Semiconductors are hard enough to describe with elaborate mathematical tools, is a physical model too much to ask? [Chuck] has designed, printed and explained the workings of a BJT transistor ...

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.