Before the robots go to work, they have to go to school. Apptronik, a Texas-based humanoid startup that counts Google and Mercedes among its investors, has opened a "Robot Park" in Austin. At the nearly 90,000-square-foot warehouse, its Apollo robots practice tasks like loading boxes onto conveyor belts and sorting toys into bins. Most of the time, the robots are controlled remotely. The facility runs seven days a week, with Apollo robots practicing tasks as operators stand beside them, guiding