ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Medical nanorobot. Computer artwork of a nanorobot injecting a red blood cell. Nanotechnology is an area of science concerned with producing mechanical entities on the scale of nanometres (billionths of a metre). It is hoped that robots of this size will one day have medical applications, such as being used at a cellular level to remove cancerous cells or to fight illness.
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