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 ...

WEST LAFAYETTE, Ind. – A new type of transistor shaped like a Christmas tree has arrived just in time for the holidays, but the prototype won't be nestled under the tree along with the other gifts.

By looking at a circuit diagram of a transistor switching circuit, you should be able to say what the circuit is used for and be able to explain how it operates. Question.

The very first transistor -- the foundational block which almost all of modern civilization was built from -- was created at AT&T's Bell Labs on December 23 1947. This first transistor was huge ...