World's smallest Robot - Microrobot & Its application

Everyone in our life term would have heard about term called Robot. No doubt about that, some people would have even had closer look if they are Engineer or Technical person.

My question to you now is.. What could be the size of the Robot. May be look stupid question to you, as its well known size really depends on application and other parameters.

What do you think about smallest robot that you can think of. Microrobot is going to be our today's topic.

The size of this micro robot is less than one millimeter square. Can you just imagine how tiny is this machine ?

Microscopic robots crafted to maneuver separately without any obvious guidance are now assembling into self-organized structures after years of continuing research led by a Duke University computer Sc..

The specific application of these Microrobot in medicine".