When my students grow too dependent on their calculators, I ask them to find a number that, when multiplied by itself, gives them 2. Students quickly see that since 1² = 1 and 2² = 4, the answer has ...

Imagine being asked to pick a number from 1 to 10. You are quite likely to pick a whole number; I have never seen someone do otherwise. But you could also pick the number pi, whose decimal expansion ...

The Vampyr Nation is pinned down and enacting its final plan, but Pythagoras is watching and has his own designs which will end the Vampyr Nation once and for all. Plus, he is being aided by ...