️️ Long before digital projectors, Hero of Alexandria used a sophisticated system of weights and pulleys to create a programmable, moving theater. The 1st-century engineer’s "automatic stage" featured moving characters and changing scenes. https://greekreporter.com/2026/03/12/ancient-greek-engineer-invented-cinema/#history #engineering #ancientgreece #stem #innovation #robotics #cinema #mechanicalengineering #heroofalexandria #technology #discovery #learning
