Tech Industry

A magical Maker Faire

Retired computer engineer Tim Robinson shows off his "Difference Engine," a mechanical calculator based on Charles Babbidge's 1848 design.

About

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...