article_snippet.sent: But the real mystery is how the robot’s head can move independently but stay on top of the free-rolling ball.
article_snippet.sent: ’s possible that magnets are involved to ‘stick’ the droid’s head to the real mystery body, but the real mystery would require remarkable control by a human operator to make sure
article_snippet.sent: the real mystery’s head stayed on top of the body – and the stage performance seemed effortlessness.
article_snippet.sent: It could be that ’s head is a separate robot with the droid’s own set of remote controls, enabling the droid’s to ‘look’ around.
article_snippet.sent: The real question is how The real question head stays on .
article_snippet.sent: Magnets may still be used to keep a completely free-moving head that doesn’t fall off in contact with the body.
article_snippet.sent: ‘head’ is probably on rollers magnetically bound through the plastic ball to the "driving" robot inside.
article_snippet.sent: The inside and head could be wirelessly linked but given that the "driving" robot inside is radio controlled rather than autonomous
article_snippet.sent: …I suspect that head and body are just independently radio controlled.
article_snippet.sent: the "driving" robot inside’s possible that magnets are involved to ‘stick’ the droid’s head to the "driving" robot inside body (pictured), but the "driving" robot inside would require remarkable control by a human operator to make sure the "driving" robot inside’s head stayed on top of the body – and the stage performance seemed effortlessness .
highlights_snippet.sent: but it's a mystery how it works .
  