Universe Today Podcasts With Fraser Cain

Episode 655: Open Space 79: How Can Black Holes Have Infinite Density But Not Infinite Gravity? And More...

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Synopsis

In this week's live QA, I explain why a black hole can have infinite density but not infinite gravity. Does your perception of time change due to your mass, and am I ever intimidated by the people I get to interview? 03:00 How can a singularity have infinite density and not infinite gravity? 06:02 Does your perception of time change due to your mass? 08:10 How do I feel about String Theory? 10:20 Am I intimidated by people I interview? 12:47 Is intelligent design a scientific theory? 15:21 Why don't we see practical applications on quantum mechanics? 16:34 Anyone on my wishlist of guests? 19:00 Are there alien bodies at Area-51? 20:25 Would you feel it falling into a supermassive black hole 22:00 Will we get a Grand Unified Theory in our lifetimes? 27:21 Is Blue Origin for real? 30:35 Should the US have built the super collider? 34:17 Does time go backwards if you exceed the speed of light? 35:20 What's happening with Perseverance? 37:03 Could we jumpstart a rocket planet to get a magnetosphere? 40:35 How far