Activity, Problem, Puzzle, Publisher, TEDEd, Video, YouTube
In a dystopian world, your resistance group is humanity’s last hope. Unfortunately, you’ve all been captured by the tyrannical rulers and brought to the ancient coliseum for their deadly entertainment. Will you be able to solve the passcode riddle and get everyone out safely? Ganesh Pai shows how.
15 July 2016 Edit: 8 July 2016