I started doing part time at university this semester to work on a side project, probably going to shelve it and focus back on school next semester. I've taken the first three years of an Maths undergrad (Calculus, Diff Eq, Linear Algebra, statistics/probability theory, proofs, etc), but my intention is to slide into an Engineering position after graduation (so concentrating on my core curriculum doesn't make much sense).

What are some good Coursera courses in the hard sciences/engineering? Aerospace and Mechanical look pretty cool, but Aero is probably not too useful personally (GPA isn't the best, most Aero companies I know are stringent about that). Thanks