Few people in Blount County may be familiar with the San José Semaphore, but those who know Jimmy Waters aren’t surprised he cracked a code that others have tried to decipher since 2012. Atop Adobe’s ...

The LED screen is 70 feet wide and contains four lighted disks, each 10 feet in diameter, with a line down the middle. Each disk can assume four positions, and the positions change every 7.2 seconds ...

SAN JOSE — High above downtown San Jose, Adobe has launched a new semaphore puzzle contest to serve as the tech titan’s latest tricky optical telegraph that challenges people to crack its code. The ...