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

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 are we from a nuclear rocket? 42:50 Could they make a bigger particle accelerator? 45:00 Would I get neurolink? 46:42 Humans on the Moon or a 30M telescope? 48:02 Have I watched Upload yet? 48:25 Why don't we explore the deep ocean first? 51:45 Wouldn't a solar sail be stopped by photons from another star? 53:49 Could we use Ceres or Vesta to warm up Mars? 54:52 Why is the Hubble Constant increasing? Our Book is out! https://www.amazon.com/Universe-Today-Ultimate-Viewing-Cosmos/dp/1624145442/ Audio Podcast version: ITunes: https://itunes.apple.com/us/podcast/universe-today-guide-to-space-audio/id794058155?mt=2 RSS: https://www.universetoday.com/audio What Fraser's Watching Playlist: https://www.youtube.com/playlist?list=PLbJ42wpShvmkjd428BcHcCEVWOjv7cJ1G Weekly email newsletter: https://www.universetoday.com/newsletter Weekly Space Hangout: https://www.youtube.com/channel/UC0-KklSGlCiJDwOPdR2EUcg/ Astronomy Cast: https://www.youtube.com/channel/UCUHI67dh9jEO2rvK--MdCSg Support us at: https://www.patreon.com/universetoday More stories at: https://www.universetoday.com/ Twitch: https://twitch.tv/fcain Follow us on Twitter: @universetoday Like us on Facebook: https://www.facebook.com/universetoday Instagram - https://instagram.com/universetoday Team: Fraser Cain - @fcain / frasercain@gmail.com Karla Thompson - @karlaii / https://www.youtube.com/channel/UCEItkORQYd4Wf0TpgYI_1fw Chad Weber - weber.chad@gmail.com