Tesla put on a big show at its Robotaxi event on Thursday night. But nothing was more eyebrow-raising than its Optimus robots: the slim, sleek, AI-powered humanoids that are supposedly capable of ...

Musio the talking robot was standing on a lunch table at Manhattan’s original Shake Shack, unable to talk. The toy robot needs a Wi-Fi connection to access its language cortex. But even in this muted ...