The millimeter-scale robot opens new avenues for microsurgery, microassembly and micromanipulation

Completely unfolded, the milliDelta with 15 mm-by-15 mm-20 mm roughly compares to a cent piece, and uses piezoelectric actuators, and flexural joints in its three arms to control high-frequency movements of a stage on top. Credit: Wyss Institute at Harvard University By Benjamin Boettner Because…