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"Endoscopy, or the examination of a person's bowels via a tube-mounted camera, is not exactly the most pleasant medical procedure one could undergo. In 2004, we noted the early stages of a project to alleviate the (literal) pain of the procedure with a spider pill, which -- once swallowed by the hopefully willing patient -- can be remotely controlled and positioned inside the human body. Yes, it's a tiny, wirelessly communicating robot with a camera for a head crawling inside you. Hit the read link for the full BBC report, it really is worth seeing, and start your Innerspace jokes ... now!"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/10/12/spider-pill-bowel-scanner-will-be-ready-within-a-year/>