www.fdanews.com/articles/100793-tiny-probe-gives-wide-angle-view-of-your-insides
Tiny Probe Gives Wide-Angle View of Your Insides
November 7, 2007
An ultrasound probe about the size of a grain of rice that could offer panoramic views from inside the human body is being tested by U.S. researchers. They say it could be threaded through blood vessels in the brain or swallowed like a pill.
NewScientistTech