This TED-Ed companion resource explores how scientists think about the future of technological progress using the Kardashev and Barrow Scales. Students examine energy use, scale, and the search for intelligent life while considering whether civilization faces true technological limits. What’s included: 20 high school/college-level discussion questionsA clear, expanded essay promptA scaffolded essay prompt with sentence startersA structured debate topic with balanced perspectivesIdeal for astrono