Is there a limit to technological progress? – Clément Vidal Learn On Youtube TED-Ed — December 5, 2023 · Comments off Source Link antimatter Atom Balint Gelley Barrow scale Clément Vidal dyson sphere energy energy use galaxy john barrow Kardashev scale Nikolai Kardashev nuclear fusion Richard Feynman solar panel Solar Power stellar sub-atomic technological progress TED Ted Education TED-Ed universe