The Chinese company Unitree Robotics presented four-footed robots to B1 which main feature is water tightness. information portal "Gazeta.Ru" became known of it from announcing video which appeared on the official YouTube-channel of the company developer. Externally B1 is very similar to Spot, development other known robotostroitelny companies Boston Dynamics. However, in difference from Spot, the Chinese development is not afraid of water. Unitree Robotics claims that B1 is protected from moisture according to the IP68 standard. This feature is brightly shown in the published commercial. In it it is shown…