5 Questions: Cracking the Code
1 of 5
Semaphore signals are usually transmitted using what device?
2 of 5
Ubbi-Dubbi is a "secret" language popularized on what PBS children's television show?
Mister Rogers' Neighborhood
3 of 5
What was the first name of the man who created Morse code?
4 of 5
The clues in the 2003 novel The Da Vinci Code lead to the tomb of what astronomer?
5 of 5
What serial killer was famous for sending ciphered messages to San Francisco newspapers?
The Night Stalker
The Green River Killer
Son of Sam