Does the idea of a snake robot that enters your body via your nose or urethra — i.e., the duct in the end of the penis through which fluids are conveyed — sound like the stuff of nightmares? Well, forget any temporary thoughts of discomfort because such a robot may just save your life one day. A bioengineering professor at Vanderbilt University, Nabil Simaan, has been busy developing snake-like robots for more than a decade.
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