View full lesson: http://ed.ted.com/lessons/can-you-solve-the-passcode-riddle-ganesh-pai In a dystopian world, your resistance group is humanity's last hope. Unfortunately, you've all...
========== In this dystopian world, your resistance
group is humanity's last hope.Unfortunately, you've all been captured
by the tyrannical rulersand brought to the ancient colosseum
for their deadly entertainment.Before you're thrown into the dungeon,you see many numbered hallways
leading outside.But each exit is blocked by
an electric barrierwith a combination keypad.You learn that one of you will be allowed
to try to escape by passing a challengewhile everyone else will be fed to
the mutant salamanders the next morning.With her perfect logical reasoning,
Zara is the obvious choice.You hand her a concealed audio transmitter
so that the rest of you can listen along.As Zara is led away,you hear her footsteps echo
through one of the hallways,then stop.A voice an...