HAMR-Jr Is a Speedy Quadrupedal Robot the Size of a Penny

IEEE Spectrum

The last time we checked in with the Harvard Ambulatory MicroRobot (HAMR) was in 2018, when I spent far too much time trying (with a very small amount of what might charitably be called success) to adapt some MC Hammer lyrics for an article intro. Despite having “micro robot” right in the name, if we’re talking about insect scale, HAMR was a bit chunky, measuring about 5 centimeters long and weighing around 3 grams. At ICRA this week, we’ve been introduced to a new version of HAMR, called HAMR-Jr, which is significantly smaller: just a tenth of the weight, and comes up to about knee-high on a cockroach.

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