Excuse me, but I'm having a super geek moment. One of the research methods that I use is a head-mounted virtual reality device, which allows the research participant to move around a virtual environment that can be controlled by the experimenter. I'm currently using a borrowed, low-cost version for my purposes, but I plan to get something really nice in the next year. The problem: the price tag is at least USD $30,000. Imagine my excitement then, when I saw this video, which shows how a beginner VR system can be concocted from a Wii game system:
You can check out the rest of Johnny Chung Lee's Wii remote projects here. Johnny Lee is my hero!