I had just graduated from the University of Miami – sun still on my skin, confidence in my step – and Chicago was calling louder than any beach could. I wasn’t chasing an office job with a cubicle and ...

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Follow my detailed felt puzzle game pattern and learn how to make this cool pixel puzzle game! I will lead you through my ...