One of the world’s most difficult puzzles created has been solved after three years. Brian Vincent, a San Jose software engineer, was able to crack the code for the third Adobe Semaphore puzzle, the ...

The illuminated disks atop Adobe Systems’ downtown San Jose headquarters have transmitted a secret message since 2012. On Monday, Adobe revealed that Jimmy Waters, a high school math teacher in ...

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 ...

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 ...

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 ...