want a decent project

Hi everyone,
its really appreciating that i am getting so good response from all u guys.Thanx.
plz let me know about some of ideas related to Digital Signal Processing project.I want to pursue my MS[master of science] in Digital signal Processing.
Bye .

try to transfer audio or data digitaly whith an laser beam!

or tranfer text ower an coaxial cable that cod be reed of an LCD on the other end