World's Smallest Robotic Hand

BuzzSkyline writes "The world's smallest robotic hand has been built by Yen-Wen Lu and Chang-Jin "CJ" Kim at UCLA's Mechanical and Aerospace Engineering Department. The microhand can make a fist that can grasp objects smaller than a millimeter across. Check out the freaky video on the researchers' website of the microhand grabbing a blob that looks like a fish egg. The tiny hand is made of inert materials, making it ideal for handling gooey biological samples. Lu and Kim describe their microhand in a paper published October 16 in the journal Applied Physics Letters."

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Waldo

[seanellis]

10 posts and no-one's mentioned "Waldo" yet?

From Wikipedia (Waldo (short story)):

A typical illustration of the tools in the story is when Waldo needs to do micro-dissection on the scale of cellular walls. He uses human-sized waldos to make smaller waldos, then those to make even smaller waldos, and continues the series until he has some small enough to work at the cellular scale. It doesn't occur to him to use conventional fabrication techniques to skip straight down to the smallest size.

The primary application for these hands is obvious: build even smaller ones!