It was just two years ago that a tiny robotic manta ray became the world's fastest-swimming soft-bodied robot. Well, one of its descendants has now smashed that record – and it uses less energy than ...
PINELLAS COUNTY, Fla. (WFLA) — A drone operator captured a rare video of a manta ray near Honeymoon Island with “something very unusual” swimming above it on Friday. John Yanchoris said he flew his ...