By focusing or relaxing, a signal is sent to a computer, which then associates a change in the lights with that thought and transmits it over the Internet to one of the three light shows.
The NFL doesn't look kindly on its players tweeting from the sidelines or locker room. But Olympic athletes have no such restrictions. Twitter has compiled a list of 100 tweeting Olympians, including US alpine skier Lindsey Vonn, who earlier this week used the microblogging service to keep her followers up to date on how her shin is healing after a training crash threatened her chances of participating in the Olympics. Follow @Lindseyvonn and the rest of the verified Olympian accounts here.
That's a lot of power strips
For you infrastructure geeks (come on, we know you're out there), CIO has a cool slideshow walkthrough of the tech backbone of the Vancouver Olympic Games. What's it take to keep things running smoothly? Try 800 servers, 6,000 computers, and 4,000 printers, and miles of cabling to start.