Book flights as easy as Ubers. One tap, auto check-in, instant boarding pass via text. Same price as Google Flights. Try Soar: soar.flights/whatifscienceshow The greatest technological achievement in human history is speeding overhead at 8 km (5 mi) a second. And in as few as 5 years, it'll be rubble at the bottom of the ocean. The International Space Station is coming back home, in the greatest fireworks show that you'll see in your lifetime. 00:00 You Are Alive to Watch the Space Station Fall From the Sky 01:45 What Is the ISS? Specs, Size, and Speed 03:19 Building an Astro Bullet Train: A Global Achievement 05:49 History of the ISS: Post-Cold War Collaboration 07:38 Mir as a Template & Assembling the Station in Orbit 10:00 Science in Freefall: Microgravity Experiments 12:47 Space Tech Spin-offs & 25 Years of Research 14:12 Why Can't We Save the ISS? (Structural Fatigue) 15:45 Why Not Bring It Home, Park It, or Let It Drift? 18:46 The Skylab Precedent: Why Uncontrolled Re-E...