Do you have what it takes to solve this riddle? This expedition is based at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake and the giant sandglass begins flowing with less than an hour before it empties. Your instinct tells you that you don't want to be around when that happens. Can you use math to escape the temple? Dennis E. Shasha will show you how.
