Giant Flotation Device News Today

Real life guard. our tech expert, katie, joining us now from new york to help us understand this. bay watch would have been much different if all we had was robots rescuing people. please, do tell. how is this thing supposed to work? >> i was a life guard for years. if somebody has a choice between me saving you and the robot, go with the robot. it looks like a giant flotation device in front of me is emily. this is cutting edge technology. she operates with speeds up to 28 miles per hour. and y...