Want a True Bionic Limb? Good Luck Without Machine Learning

Want a True Bionic Limb? Good Luck Without Machine Learning

In 2006, the Defense Advanced Research Projects Agency vowed to build, within four years, a brain-controlled prosthetic arm indistinguishable from the real thing. Yet after hundreds of millions of dollars and more than a decade of engineering, most limb replacements (even those wired straight to the noggin) struggle to mimic human gestures.