Summary
Marketers are increasingly voicing concerns over the effectiveness of ad campaigns that generate high impressions but fail to translate into tangible results, a phenomenon dubbed "bullspend." This trend highlights the need for a shift in focus from mere reach to actual revenue generation in advertising strategies.
The discussion then shifts to the complex nature of black holes, which are described as regions of space-time so dense that nothing, not even light, can escape. This raises significant questions in theoretical physics, particularly regarding the fate of information that falls into black holes. The principle of unitarity, which asserts that information is conserved and reversible, comes into conflict with the idea that black holes could destroy information, leading to a paradox that challenges our understanding of the universe.
The conversation explores various theories attempting to resolve this paradox, including the holographic principle, which suggests that all information contained within a three-dimensional volume can be represented on its two-dimensional surface. This idea has gained traction among physicists and offers a potential pathway to reconcile the principles of quantum mechanics and general relativity. However, the ultimate resolution remains elusive, as researchers grapple with the implications of black holes on our understanding of reality and the fundamental laws of physics.
Show Notes
Thanks to Storyblocks for sponsoring this video! Download unlimited stock media at one set price with Storyblocks: http://storyblocks.com/CoolWorldsToday we explore a problem that has haunted theoretical physicists for decades and remains a topic of active debate - do black holes destroy information? A key precept in quantum theory is that information should be conserved, yet anything that falls into a black hole is seemingly obliterated. How can we reconcile our theories of gravity with that of the quantum world? And could the answer transform the way we look at the Universe...Written & presented by Prof. David Kipping. Special thanks to Prof Janna Levin for fact checking and for her wonderful book that inspired this video, "Black Hole Survival Guide" https://a.co/d/eqqP6z1→ Support our research: https://www.coolworldslab.com/support→ Get merch: https://teespring.com/stores/cool-worlds-store→ Check out our podcast: www.youtube.com/@CoolWorldsPodcastTHANK-YOU to D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, S. Roulier, B. Smith, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., M. Donovan, N. Corwin, M. Mangione, K. Howard, L. Deacon, G. Metts, R. Provost, B. Sigurjonsson, G. Fullwood, B. Walford, J. Boyd, N. De Haan, J. Gillmer, R. Williams, E. Garland, A. Leishman, A. Phan Le, R. Lovely, M. Spoto, A. Steele, K. Yarbrough, A. Cornejo, D. Compos, F. Demopoulos, G. Bylinsky, J. Werner, B. Pearson, S. Thayer, T. Edris, B. Seeley, F. Blood, M. O'Brien, P. Muzyka, D. Lee, J. Sargent, M. Czirr, F. Krotzer, I. Williams, J. Sattler, J. Smallbon, B. Reese, J. Yoder, O. Shabtay, X. Yao, S. Saverys, M. Pittelli, A. Nimmerjahn, C. Seay, D. Johnson, L. Cunningham, M. Morrow, M. Campbell, R. Strain, B. Devermont, & Y. Muheim.REFERENCES► Bekenstein, J. 1972, "Black Holes and Entropy", Physical Review D: https://ui.adsabs.harvard.edu/abs/1973PhRvD...7.2333B► Hawking, S. 1975, "Particle Creation by Black Holes", Communications In Mathematical Physics,: https://ui.adsabs.harvard.edu/abs/1975CMaPh..43..199H► Hooft, G.'t, 1993, "Dimensional Reduction in Quantum Gravity", General Relativity & Quantum Cosmology: https://ui.adsabs.harvard.edu/abs/1993gr.qc....10026T► Susskind, L. 1995, "The World as a Hologram", Journal of Mathematical Physics: https://ui.adsabs.harvard.edu/abs/1995JMP....36.6377S► Maldacena, J. 1997, "The Large N Limit of Superconformal field theories and supergravity", Advances in Theoretical and Mathematical Physics: https://ui.adsabs.harvard.edu/abs/1998AdTMP...2..231MMUSICLicensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist.0:00 Hill - The Travelers [https://open.spotify.com/track/5EfCXFyDpZmu0u6hM3ByjK?si=76241b8ce56747a4]2:51 Chris Zabriskie - We Were Never Meant to Live Here4:30 Hill - The Great Alchemist [https://open.spotify.com/track/3PAx36jIsKiQMT9CQsRk4G?si=c00e84291e664f8e]9:33 Falls - Life in Binary11:55 Hill - A Slowly Lifting Fog [https://open.spotify.com/track/0GgkyL3y22kFslT6wUsKlt?si=3f07e63c56674a21]13:23 Falls - Ripley17:06 Chris Zabriskie - Cylinder Seven19:11 Joachim Heinrich - Y21:32 Indive - Halo DriveCHAPTERS0:00 Prologue0:30 Black Holes 1013:18 Storyblocks4:30 Unitarity6:19 Into the Black Hole7:19 Hawking Radiation9:33 Learn more about your ad choices. Visit megaphone.fm/adchoices
More from Cool Worlds
We're looking forward to the new sci-fi film "Arrival", which explores the barriers to communicating with aliens even face to face. Astronomers really are trying to listen for alien communications, mostly using radio receivers but increasingly by looking for optical laser transmissions too. One of our wild ideas here at the Cool Worlds Lab is that optical SETI could try focussing these efforts to physically-motivated special moments in time to dramatically increase the survey efficiency. Prof Kipping pitches this new concept to all you Cool Worlders!::More about this Video::► Kipping & Teachey (2016), "A Cloaking Device for Transiting Planets": https://arxiv.org/abs/1603.08928► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk::Playlists For Channel::Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorldsCool Worlds Research ► http://bit.ly/CoolWorldsResearchGuest Videos ► http://bit.ly/CoolWorldsGuestsQ&A Videos ► http://bit.ly/CoolWorldsQAScience of TV/Film ► http://bit.ly/ScienceMovies::Follow us::SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribeCool Worlds Lab http://coolworlds.astro.columbia.eduTwitter https://twitter.com/david_kippingInstagram https://www.instagram.com/cool.worldsTHANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices
Off the cuff (again) Learn more about your ad choices. Visit megaphone.fm/adchoices
Now and again we make a video that's a bit different from our usual stuff and here's one of them. A fictional narrative that weaves in scientific ideas of deep time and how intelligence might persist, challenging us to imagine what infinite life might truly be like. Thanks for watching.Written & presented by Prof. David Kipping.→ Support our research: https://www.coolworldslab.com/support→ Get merch: https://teespring.com/stores/cool-worlds-store→ Check out our podcast: www.youtube.com/@CoolWorldsPodcastTHANK-YOU to D. Smith, M. Sloan, L. Sanborn, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, J. Rockett, D. Murphree, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, S. Roulier, B. Smith, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., M. Donovan, N. Corwin, M. Mangione, K. Howard, L. Deacon, G. Metts, G. Genova, R. Provost, B. Sigurjonsson, G. Fullwood, B. Walford, J. Boyd, N. De Haan, J. Gillmer, R. Williams, E. Garland, A. Leishman, A. Phan Le, R. Lovely, M. Spoto, A. Steele, M. Varenka, K. Yarbrough, A. Cornejo, D. Compos, F. Demopoulos, G. Bylinsky, J. Werner, B. Pearson, S. Thayer, T. Edris, A. Harrison, B. Seeley, F. Blood, M. O'Brien, P. Muzyka, E. Loomans, D. Lee, J. Sargent, M. Czirr, F. Krotzer, I. Williams, J. Sattler, J. Smallbon, B. Reese, J. Yoder, O. Shabtay & X. Yao.REFERENCES► Dyson, F., 1979, "Time without end: Physics and biology in an open universe", Rev. Modern Phys, 51, 447: https://ui.adsabs.harvard.edu/abs/1979RvMP...51..447DMUSICLicensed by SoundStripe.com (SS) [shorturl.at/ptBHI], Artlist.io, via CC Attribution License (https://creativecommons.org/licenses/by/4.0/) or with permission from the artist.0:00 Sid Acharya - Journey2:49 Sid Acharya - Stories from the Sky6:11 Falls - Ripley7:45: Chris Zabriskie - Cylinder Four9:55 Hill - Echoes of Yesterday (https://open.spotify.com/track/4AfA4TrR2WPUJ6N6Th5j8B?si=eed02e1a8f124345)13:18 Hill - The Now Is Only a Thin Slice of Who I Am (https://open.spotify.com/track/396DSpd9UzSEVNxJORJU1n?si=35659345189a4680)19:25: Y - Joachim Heinrich#EternalIntelligence #LivingForever #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices
The Wow! Signal was a radio signal detected in 1977 that remains the most compelling candidate for an alien radio transmission ever received. 45 years later, and after dozens of failed hours spent trying to catch it again, can we conclude the Wow signal was bogus? Join us today as we discuss a new research paper from the Cool Worlds Lab that explores this question and everything Wow.Written & presented by Prof David Kipping→ Support our research program: https://www.coolworldslab.com/support→ Get Stash here! https://teespring.com/stores/cool-worlds-storeTHANK-YOU to our supporters D. Smith, M. Sloan, C. Bottaccini, D. Daughaday, A. Jones, S. Brownlee, N. Kildal, Z. Star, E. West, T. Zajonc, C. Wolfred, L. Skov, G. Benson, A. De Vaal, M. Elliott, B. Daniluk, M. Forbes, S. Vystoropskyi, S. Lee, Z. Danielson, C. Fitzgerald, C. Souter, M. Gillette, T. Jeffcoat, H. Jensen, J. Rockett, N. Fredrickson, D. Holland, E. Hanway, D. Murphree, S. Hannum, T. Donkin, K. Myers, A. Schoen, K. Dabrowski, J. Black, R. Ramezankhani, J. Armstrong, K. Weber, S. Marks, L. Robinson, F. Van Exter, S. Roulier, B. Smith, P. Masterson, R. Sievers, G. Canterbury, J. Kill, J. Cassese, J. Kruger, S. Way, P. Finch, S. Applegate, L. Watson, T. Wheeler, E. Zahnle, N. Gebben, J. Bergman, E. Dessoi, J. Alexander, C. Macdonald, M. Hedlund, P. Kaup, C. Hays, S. Krasner, W. Evans, D. Bansal, J. Curtin, J. Sturm, RAND Corp., I. Attard, M. Donovan, N. Corwin & M. Mangione.::References::► Kipping, D. & Gray, R. (2022), "Could the “Wow” signal have originated from a stochastic repeating beacon?", MNRAS, accepted for publication: https://arxiv.org/abs/2206.08374► "The Elusive Wow" book by Robert Gray: https://www.amazon.com/Elusive-Wow-Searching-Extraterrestrial-Intelligence/dp/0983958440/ref=sr_1_1?crid=N9C88NODCZ6G&keywords=the+elusive+wow&qid=1655582974&sprefix=the+elusive+wow%2Caps%2C88&sr=8-1► Gray R. H., 1994, Icar, 112, 485. doi:10.1006/icar.1994.1199► Gray R. H., Marvel K. B., 2001, ApJ, 546, 1171 doi:10.1086/318272► Gray R. H., Ellingsen S., 2002, ApJ, 578, 967. doi:10.1086/342646► Harp G. R., Gray R. H., Richards J., Shostak G. S., Tarter J. C.,2020, AJ, 160, 162. doi:10.3847/1538-3881/aba58f::Music::Music licensed by SoundStripe.com (SS) [shorturl.at/ptBHI], or via Creative Commons (CC) Attribution License (https://creativecommons.org/licenses/by/4.0/), or with permission from the artist► Brad Hill - A Slowly Lifting Fog (0:00) [https://open.spotify.com/album/0i7df7bwsTHcJ7zRCHqq1G]► Chris Zabriskie - Cylinder Four (2:38)► Falls - Ripley (4:41)► Falls - Life in Binary (8:34)► Brad Hill - There Is but One Good (13:04) [https://open.spotify.com/album/4pmiXcyRpPlFjWjb45pYLx0]► Chris Zabriskie - Stories About the World That Once Was (19:31)► Joachim Heinrich - Y (23:51)► Brad Hill - Downcast Spirit (26:12) [https://open.spotify.com/album/2oDAnUfX0OYYOnuIToAEcX]::Film/TV clips used::► Wow Documentary (2017) Peacock► Agora (2009) Focus Features International► Contact (1997) Warner Bros.► Independence Day (1996) 20th Century Fox::Chapters::00:00 Introduction02:51 Four Facts07:15 False Positives?08:15 Four Unknowns12:06 Black Swans13:54 Observatory Emulation16:01 Hypothetical Signals18:51 Big Ear Results19:52 Multi-Observatory Results22:43 Wow's Properties24:49 Robert Gray26:12 Outro and credits#WowSignal #AreWeAlone #CoolWorlds Learn more about your ad choices. Visit megaphone.fm/adchoices
Does life's early emergence mean life starts easily? Growing evidence shows that life got started very quickly (within ~100 million years) after conditions became suitable for life on Earth (~3.7 billion years ago). This is often taken as evidence that life starts easily, but is this really true? Prof Kipping explains why things aren't as simple as they seem.::More about this Video::► Nutman et al. 2016, "Rapid emergence of life shown by discovery of 3,700-million-year-old microbial structures": http://www.nature.com/nature/journal/v537/n7621/full/nature19355.html► Allwood 2016, "Geology: Evidence of Life in Earth's Oldest Rocks": http://www.nature.com/nature/journal/v537/n7621/full/nature19429.html► Outro music by Taylor Davis: https://www.youtube.com/watch?v=dl9kI1yQKZk::Playlists For Channel::Latest Cool Worlds Videos ► http://bit.ly/NewCoolWorldsCool Worlds Research ► http://bit.ly/CoolWorldsResearchGuest Videos ► http://bit.ly/CoolWorldsGuestsQ&A Videos ► http://bit.ly/CoolWorldsQAScience of TV/Film ► http://bit.ly/ScienceMovies::Follow us::SUBSCRIBE to the channel http://bit.ly/CoolWorldsSubscribeCool Worlds Lab http://coolworlds.astro.columbia.eduTwitter https://twitter.com/david_kippingInstagram https://www.instagram.com/cool.worldsTHANKS FOR WATCHING!! Learn more about your ad choices. Visit megaphone.fm/adchoices