Chinese humanoids are starting to move with extraordinary grace and agility, but Boston Dynamics is the OG in this field, and fresh video of its swivel-jointed Atlas robot running, cartwheeling and breakdancing shows it's still at the bleeding edge. Before we get going, let's acknowledge the elephant in the room here: companies like Tesla, Figure, Sanctuary, Agility and many others couldn't care less if their robots can do backflips or cartwheels, or how smooth and human-like their movements are...