What’s in a Wave?

By Padraic Gidney, The University of Sydney For my summer project, I investigated the behaviour of a particular kind of solution – what’s called a periodic wave train solution – [...]

Complex Numbers

By Penelope Drastik, University of Wollongong What is the square root of -1? Most people would say that it doesn’t exist. Since the product of two positive numbers is positive, and the product of [...]