OctoFLEXIBLE POWER: With no rigid skeleton, the octopus uses sophisticated musculature to move its limbs. Roboticists can mimic its muscles MassiMo Brega/The LighThouse (2) with springs that shorten when a current is applied. 38 | MAR 2017 | NoRth AMeRicAN | SPectRUM.ieee.oRGhttp://SPectRUM.ieee.oRG