I enjoy animating scenes on my O gauge layout, and have come across a great way to get slower, more-precise realistic action: using servos. A servomotor, or servo, is a small, inexpensive device that ...

Industrial robots like robotic arms are basically everywhere, albeit usually out of the public’s eye in factories. This also means that they get replaced and scrapped all the time, making ...

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...