Harvard builds tiny microbot that's the size of a penny

The Independent - Tech 

Scientists at Harvard have copied their large, insect-inspired robot HAMR (Harvard Ambulatory Microrobot) into a smaller form factor. The new robot, HAMR-JR, is the size of a penny, measuring 2.25 centimetres across. The robot is capable of quick movement, able to travel 14 times the length of his body in a single second, which makes it one of the smallest and fastest robots currently made, according to Harvard. While it might be the size of a penny, it is significantly lighter, weighing only 0.3 grams. The ability to keep the familiar design, but change the scale of the robot, means that it can be used in a variety of purposes, including surgeries or large-scale industry because of its ability to carry heavy payloads. The method of miniaturising the robot was surprisingly straightforward: researchers simply shrunk the 2D sheet design of the robot, as well as its circulatory, to a more minute scale.

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