Create application for students, where they can see and feel how physics laws works. Divide it into chapter, and create couple virtual rooms to work with specific topic in specific field.
Inspiration: http://www.ted.com/talks/michael_bodekaer_this_virtual_lab_will_revolutionize_science_class?utm_source=facebook.com&utm_medium=social&utm_campaign=tedspread
P.S: It not must be like in video :) Let's start with simple one.
To discuss in detail.