Gravity Probe B Published -- Download video MP4 360p Recommendations 20:47 The Genius Behind the Quantum Navigation Breakthrough 18:31 The Geometry of a Black Hole 14:45 How Upside-Down Models Revolutionized Architecture 18:24 What If The Universe DID NOT Start With The Big Bang? 18:39 The Bizarre Shape Of The Universe 10:40 What Happened When The Soviets Launched A Giant Mirror Into Space 23:33 Why Physics Favors a Mass Driver Over Heavy Lift Rockets 26:24 Using a Photomultiplier to Detect Single Photons 19:42 Space-Time: The Biggest Problem in Physics 13:05 The Reason Train Design Changed After 1948 32:03 The MOSIR instrument 21:20 What’s inside a rocket nozzle? 21:24 How we land spacecraft on celestial bodies (part 1) 28:45 New Breakthrough on a 90-year-old Telephone Question 18:20 What If Gravity Isn’t Quantum? New Experiments Explore 23:12 The Clever Engineering Of Piston Rings 17:34 We've Detected Ghost Particles on Earth - What this means for science 21:57 Understanding Porsche's New Six Stroke Engine Patent 31:15 An Ancient Roman Shipwreck May Explain the Universe