Everyone could soon have the powers of Doctor Octopus
Supernumerary Robotic Limbs (SRLs) are not prosthetics. They are designed to supplement a person’s existing full complement of limbs as opposed to replacing the lost functionality of a missing one. That’s not to say that an amputee couldn’t use one of these devices, simply that they’re meant to be used as add-ons to human protuberances instead of stand-ins for them. Don’t expect to toss cars…