Convolutional codes represent a cornerstone in modern communications, offering a method for continuously encoding data streams to mitigate errors due to interference and noise. These codes operate by ...

QR codes–square, dot-matrix variants of the venerable UPC–are becoming an increasingly popular way to share information such as URLs, contact details, GPS coordinates, and calendar events. The idea is ...

TIPPECANOE COUNTY, Ind. (WLFI) — It’s the secret code teens use to communicate, and it can be impossible to crack. “When teenagers are going to be communicating they’re always wondering who else is ...

On his way home to Washington recently from a business trip, Don Alberstadt, a quality assurance auditor, stood in line at the US Airways ticket counter in San Diego for 45 minutes, waiting to check ...