He stood in front of a room full of experts and told them something they were certain was impossible. The idea sounded absurd. To build a machine so precise it could carve patterns smaller than the wavelength of light itself. When Hiroo Kinoshita first proposed using extreme ultraviolet light for chipmaking in the early 1980s, the reaction was immediate. They laughed, they mocked him, they said this was fantasy. The laws of physics, they insisted, would not allow it.

And yet, the idea did not disappear.

Years later, others would take up the same “impossible” vision. Engineers building on foundations laid by pioneers such as Kinoshita, pushed forward despite decades of skepticism. Each step revealed new barriers. Mirrors had to be polished to near perfection, light had to be controlled in ways never before achieved, and entire supply chains had to be invented from nothing. It was one breakthrough after another, each as unlikely as the last.