Nanotechnology is the study, research and development of manipulating matter on a molecular scale. Often it deals with designing and creating contraptions, materials, etc. with at least one aspect of the overall product containing a dimension under 100 nanometers. Recently, this has been done by using an AFM (Atomic Force Microscope), which is an extremely high resolution microscope, to control these tiny devices.
One particular area of nanotechnology is nanorobotics. Nanobots are incredibly small robots, used for many different potential purposes. One purpose being researched is the potential medical benefits. Not necessarily meaning that these nanobots are nutritious to consume, but rather they are potentially used as a camera. This camera could move through the human body -particularly the bloodstream -taking pictures, or even stream live video in order to analyze what is happening, or to diagnose a condition.
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