Nano-robotics is a current advancing
technology where robots (nanites) are created at or close to the
scale of a nanometer (10−9 meters.) These tiny robots
are constructed of nanoscale or molecular components. Though this
emerging technology is still in its infancy, expected applications of
nanites include the identification and destruction of cancer cells in
the human body, as well as the detection and measurement of toxic
chemicals in the environment. Nanites have been a common theme in
science fiction stories, appearing in TV Shows such as Doctor Who
and Star Trek, as well as in movies like Vexille and
Transcendence. Our imagination has propelled these tiny robots far
beyond their current capabilities, and a common assumption is that
they can actually create matter itself (despite the obvious
contradiction with established laws of physics.) What laws should
govern these microscopic robots in our stories in order for them to
remain something of science fiction and not pure fantasy?
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