Scientists
are currently working on mini robots that would be able to swim inside
our bodies and help cure us. They could one day be able
to help doctors construct and assemble life-saving devices within the
human body. They will have to be injected into the body. In this era of
technology, we are witnessing the fusion of medical knowledge and
technology for the betterment of human life. We have examples of
pacemakers, hearing aids and many other such inventions.
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