The first transistor was about half an inch high. That's mammoth by today's standards, when 7 million transistors can fit on a single computer chip. It was nevertheless an amazing piece of technology.

In this lesson, students build two circuits and explore how transistors function. When Bell Labs introduced the transistor in June of 1948, a spokesman proudly announced "This cylindrical object . . .

Probably the most important invention of the 2oth Century was the transistor. The first point contact transistor shown below was made at Bell Laboratories. The workbench of John Bardeen and Walter ...

(Nanowerk Spotlight) On December 26, 1947, the two physicists Walter Brattain and John Bardeen, officially demonstrated the first point-contact transistor at Bell Labs. Later, in January 1948, William ...

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