Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...
A classic math rule now handles infinity. New work strengthens the math behind physics and unbounded systems. % ...
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...