What are nanites?

I heard someone chitchat about how nanites can be implanted surrounded by our brains, and used to interact with and possibly even control brain function. Does anyone know anything more around this?
Answers:
A nanomachine, also called a nanite, is a powered or electromechanical device whose dimensions are measured in nanometers (millionths of a millimeter, or unit of 10-9 meter).
Nanomachines are largely in the research-and-development phase, but some primitive devices enjoy been tested. An example is a sensor have a switch approximately 1.5 nanometers across, capable of counting specific molecules surrounded by a chemical sample. The first adjectives applications of nanomachines will likely be surrounded by medical technology, where they could be used to identify pathogens and toxins from sample of body fluid. Another potential application is the detection of toxic chemicals, and the measurement of their concentrations, contained by the environment
This website will really help you. This is such an interesting topic...and is individual widely used today! More univerisities should offer.

http://en.wikipedia.org/wiki/Nanites

Love,
Mary


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