On Dec. 16, 1947, the future began with the invention of the transistor. A lab notebook indicates that researchers at Bell Telephone Laboratories first got the thing to work on this day 75 years ago.

The future began 75 years ago with the invention of something small that’s now considered the most manufactured item in human history and the biggest thing since fire. This is a Marketplace special ...

The invention of the transistor is one of the most important inventions of the 20th century. The transistor was invented in ...

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 . . .

Modern humans have existed for around 300,000 years, and in all the time we've been here, we've made a lot of things. In the early days, homo sapiens fashioned tools from flint and other materials, ...