http://news.bbc.co.uk/hi/english/hea...000/651014.stm has a little more information like a diagram of the pill.
The capsule, which builds on technology developed by NASA to measure temperature inside astronauts' bodies, would take the place of endoscopes traditionally used by doctors to see inside patients.
Pretty cool. I can just see new "webcams" poping up all over the net.
www.seemycolon.com