In 1957, IBM began the construction of the Semi-Automatic Ground Environment, by far the world's largest computer. Spanning more than 20 different locations, each equipped with acre-sized computers ...

Pin-up program running on an SD Console (Lawrence A. Tipton) During a time when computing power was so scarce that it required a government-defense budget to finance it, a young man used a $238 ...

At the height of the Cold War, the United States had to be "on guard in the sky," keeping an eye out for the "supersonic, super-destructive and seemingly un-resistable" weapons carried by Soviet ...

Posts from this author will be added to your daily email digest and your homepage feed. is a senior tech and policy editor focused on online platforms and free expression. Adi has covered virtual and ...