Smallest robots ever made

MrSalts

Joined Apr 2, 2020
1,839
Seems to extend the classic meaning of robot into dumb actuators of various clever types.

https://robots.ieee.org/learn/what-is-a-robot/
So, these nano-robot guys are saying a piece of plastic that moves because a near-IR laser causes thermal expansion. I wonder if they would call the plastic sunroof our RV a "robot", after some weeks of thermal cycles in the sun, the sunroof manages to "walk/creep" out of the bezel.

Luckily, the RV is just a rental or the situation would be less of a fascination and more of an aggravation.
 
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