A San Diego charter school network has spent $500,000 on two ChatGPT-powered humanoid robots , pitching the flashy purchase as the future of education as critics question whether the costly experiment belongs anywhere near students. The centerpiece of the half-million-dollar investment is Ameca, a 6-foot-2 robot with a gray silicone face, blinking blue eyes, a transparent skull glowing with purple lights and exposed motors that whir as it smiles, frowns and scans the room. School officials at