Straddling the line between brain teaser and jigsaw puzzle,Cathedral Doorchallenges solvers to reassemble this beautiful door by placing all of the pieces of wooden adornment into the stained glass pattern. But the mix of peculiar shapes and colored clues create a more difficult solve than you migh...
The Nazis set their codes on the Enigma's alphabetic keyboard: "And each time you press it, the light lights up and tells you what to write down as your ciphered text," said Worpole. The code was reset every day, so the cryptographers had only 24 hours to crack it. The odds:One ...