The women behind "Moebius Noodles: Adventurous Math for the Playground Crowd" are back with another fun math game they call Function Machines. I introduced Maria Droujkova and Yelena McManaman ...

The bipedal robots that walk this world are governed by the same basic mathematical functions. The robot that I tried to trip, it’s relatively simple—it’s attached to scaffolding, so it only ...