There are now dozens of robot dogs in development, ranging from military and surveillance applications to companionship models that can carry groceries and talk back to their human owners. Called “Fire Rescue” units, the robots are essentially beefed up models of the Unitree B2. Trial footage of the B2 Fire Rescue bot in action quickly made the rounds on Chinese and Western social media. Either way, it’s a fascinating look at a new use for robot dogs, which until now were looking more like weapons of war than tools for the good of humanity. More on robots: Hundreds of Robots Competed in the World’s First Robot Olympics.