still dropping black wax onto blocks of #germanium and etching away at it. Not a bad way #to fit four or eight transistors on a chip, but as the number rose to millions, billions, and now #even trillions, the components became first more 

#As late as the 1960s, electrical engineers were still dropping black wax onto blocks of #germanium and etching away at it. Not a bad way 

#still dropping black wax onto blocks of #germanium and etching away at it. Not a bad way to fit four or eight transistors on a chip, but as the