ANCIENT OLYMPIA With jerky determination, robots played soccer, wowed children with shadow-boxing skills and shot arrows on Sept. 1 at the birthplace of the Olympic Games. As they shuffled and occasionally froze for a battery change, their creators and futurologists debated the central question of when robots will be ready to tidy closets and wash dishes. Despite the explosive advance of artificial intelligence in applications like ChatGPT , their physical cousins — robots with human-like