This morning I rewatched Iron Man. Tony Stark, trapped in a cave, builds a palm‑sized reactor out of scrap metal. Unlimited energy, right there in his chest. He saves himself, then the world. I paused the screen and thought: why can’t we do that? Why, in 2025, are we still paying electricity bills, still arguing … Continue reading Arc Reactor: Why Can’t Tony Stark’s Dream in His Chest Become Reality?