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New tech simulates having an octopus arm

The eldritch, alien movements of octopus arms have captivated people for generations. These underwater cephalopods don’t have just one brain but nine, with each of their arms able to act semi-independently. These movements are technically called “bend propagation,” a flexible motion that travels like a wave through to the tip before wrapping around the octopus’ prey....

Originally posted on salon.com