Summary
Marketers are increasingly voicing concerns over ineffective advertising campaigns, coining the term "bullspend" to describe situations where metrics like impressions do not translate into actual sales or leads. This frustration highlights a growing demand for accountability in marketing strategies.
In a deep dive into the quest for a unified theory of everything, leading physicists including Brian Keating, Eric Weinstein, Sabina Hossenfelder, and Lee Smolin engage in a critical discussion about the current state of theoretical physics. They explore the challenges of reconciling quantum mechanics with gravity, the limitations of string theory, and the need for a diverse range of approaches to tackle fundamental questions in physics.
The conversation reveals a divide among physicists regarding the significance of beauty and simplicity in theoretical frameworks. While some argue that aesthetic qualities should guide scientific inquiry, others caution against relying on beauty as a criterion for validity, emphasizing the importance of empirical evidence and practical outcomes.
As the discussion unfolds, the physicists express a sense of urgency to explore new ideas and methodologies, suggesting that the field must evolve beyond established paradigms to make meaningful progress. They advocate for a more inclusive and open-minded approach to research, encouraging young scientists to challenge conventional wisdom and seek innovative solutions to unresolved questions in the universe.
Show Notes
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE↓ More info below ↓Uploaded 10-08-20The second in our two event series about Theories of Everything! Watch the first one: https://www.youtube.com/watch?v=_izocEgArtQPlease subscribe to Brian Keating's YouTube Channel to watch one-on-one interviews with the guest speakers and more: https://www.youtube.com/DrBrianKeatingExisting Theories of Everything have not yet produced experimental evidence that solves the fundamental challenges facing physics. That lack of progress has opened up a sea of controversy, from disagreements about the very necessity of TOEs, to questioning the cost/benefit of mega-billion dollar particle accelerators in search of them, to the emergence of competing TOEs from physicists outside of the academic community. In this 90 minute chat we dive into the existential questions around TOEs.Special thanks to Brian Keating, Lee Smolin, Sabine Hossenfelder, and Eric Weinstein for helping us create this great event.Our Guests' Work: Sabine HossenfelderYouTube Channel: https://www.youtube.com/SabineHossenfelderLost in Math: How Beauty Led Physics Astray: https://www.basicbooks.com/titles/sabine-hossenfelder/lost-in-math/9781541646766/ Eric WeinsteinThe Portal Podcast: https://ericweinstein.org/The Portal Wiki: https://projects.theportal.wiki/Lee SmolinEinstein's Unfinished Revolution: The Search for What Lies Beyond the Quantumhttps://www.amazon.com/Einsteins-Unfinished-Revolution-Search-Quantum/dp/1594206198/ref=sr_1_1?dchild=1&keywords=lee+smolin&qid=1597087375&s=books&sr=1-1Time Reborn: From the Crisis in Physics to the Future of the Universehttps://www.amazon.com/Time-Reborn-Lee-Smolin/dp/0544245598/ref=sr_1_2?dchild=1&keywords=lee+smolin&qid=1597087375&s=books&sr=1-2Three Roads to Quantum Gravityhttps://www.amazon.com/gp/product/0465094546/ref=dbs_a_def_rwt_hsch_vapi_tpbk_p1_i3The Trouble With Physics: The Rise of String Theory, The Fall of a Science, and What Comes Next https://www.amazon.com/gp/product/061891868X/ref=dbs_a_def_rwt_hsch_vapi_tpbk_p1_i2The Life of the Cosmoshttps://www.amazon.com/gp/product/0195126645/ref=dbs_a_def_rwt_hsch_vapi_tpbk_p1_i4 Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
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PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE↓ More info below ↓Uploaded 06-12-18Check out the new Space Time Merch Store!https://pbsspacetime.com/How did life on Earth get started? Did life on Earth originate on another planet? Either Mars, or in a distant solar system? Could Earth life have spread to have seeded life elsewhere? Let’s see what modern science has to say about the plausibility of panspermia. You can further support us on Patreon at https://www.patreon.com/pbsspacetimeTweet at us! @pbsspacetimeFacebook: facebook.com/pbsspacetimeEmail us! pbsspacetime [at] gmail [dot] comComment on Reddit: http://www.reddit.com/r/pbsspacetimeHelp translate our videos!https://www.youtube.com/timedtext_cs_...Previous Episode:'Oumuamua Is Not Alienshttps://www.youtube.com/watch?v=wICOlaQOpM0&t=455sHosted by Matt O'DowdWritten by Matt O'DowdGraphics by Luke MaroldiAssistant Editing and Sound Design by Mike PetrowMade by Kornhaber Brown (www.kornhaberbrown.com)Life existing on Earth is odd. The oldest fossils are now dated to only a few hundred million years after the moment Earth first became habitable. Is it really reasonable to imagine that evolution turned an unliving chemical soup into the first true living cells in that geological eye-blink? Well, maybe. But the discovery of the early appearance of life on Earth was definitely a big “huh, that’s weird” moment. And it’s inspired some creative thinking. For example, what if the first genesis of life – abiogenesis – is actually incredibly unlikely – so unlikely that it only happened once in the entire galaxy. And that “once” was not on Earth. What if primitive life arrived on Earth after having traveled vast distances across the Milky Way. Some scientists think this is the case. This is the Panspermia hypothesis. Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big BangDavid NicklasCoolAsCatsAnton LifshitsFabrice EapJustin LloydJuan BenetRichard SenegorShane RobinsonAntonio ParkFaisal SaudWilliam James SidisQuasarTambe BarsbayMark RosenthalMayank M, MethrotraDean FuquaColeslawPurdieJoel BrintonJames FlowersVinnie FalcoJoshHypernovaChuck ZegarJordan YoungJoseph SalomoneJohn HofmannMartha HuntEugene LawsonBarry HatfieldBrent MullinsDanton B SpiveyScience Via MarketsMatthew O’ConnorRatfeastBrent MullinsMark HeisingDonal BotkinShaun WilliamsEdmund FokschanerMax LevineVitaly KovalenkoThanks to our Patreon Gamma Ray Burst Supporters: Alexander RodriguezAlex SotoAlexey EromenkoAntonio RuizBrandon CookBrandon LabonteCarlo MogaveroConor DillonDaniel LyonsDavid CraneDavid MattesonDustan JonesFlorian StinglmayrFabian OlesenFauzan ArdhanaGreg AllenGreg WeissJack FroschJames HughesJJ BagnellJessica FJinal DoshiJon FolksJohn PettitJoseph EmisonJosh ThomasKenneth F LeonardKirk MathewsLoro LukicKevin WarneMalte UblMarc LagardeMark VasileNathan LenizNathan HitchingsNicholas RoseNick VirtuePeeter DurocherScott GossettShannan CatalanoShawn AzmanTim StephaniTommy Mogensenسلطان الخليفي Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
PBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACE
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 14-02-18Energy is the most powerful and useful concept in all of physics, but what exactly is it?You can start your free trial of The Great Courses Plus at http://ow.ly/E15c30hIv7cYou can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time tshirt at http://bit.ly/1QlzoBiTweet at us! @pbsspacetimeFacebook: facebook.com/pbsspacetimeEmail us! pbsspacetime [at] gmail [dot] comComment on Reddit: http://www.reddit.com/r/pbsspacetimeHelp translate our videos!https://www.youtube.com/timedtext_cs_...Previous Episode:Kronos: Devourer of Worldshttps://www.youtube.com/watch?v=9-SxVSpSoek&t=1sWritten and Hosted by Matt O'DowdProduced by Rusty WardGraphics by Matthew RankerAssistant Editing and Sound Design by Mike Petrow and Meah Denee Barrington Made by Kornhaber Brown (www.kornhaberbrown.com)In physics energy is not a substance, nor is it mystical. Energy is a number. A quantity. And the quantity itself isn’t even particularly fundamental. Instead, it’s a mathematical relationship between other, more fundamental quantities. It was 17th century polymath Gottfried Leibnitz who first figured out the mathematical form of what we call kinetic energy – the energy of motion. He realized that the sum of mass times velocity squared for a system of particles bouncing around on a flat surface is always conserved, assuming no friction and perfect bounciness. Leibnitz called this early incarnation of energy vis viva – the living force.Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big BangCoolAsCatsDavid NicklasFaisal SaudAnton LifshitsJoey RednerQuasarTambe BarsbayMayank M. MehrotaMars YenturMark RosenthalDean FuquaJustin LloydRoman PinchukHypernovaShaun WilliamsEdmund FokschanerMax LevineMatthew O’ConnorEugene LawsonMartha HuntJoseph SalomoneChuck ZegarJordan YoungRatfeastJohn HofmannBarry HatfieldCraig PetersonThanks to our Patreon Gamma Ray Burst Supporters: Jane MyersBrandon CookJames FlowersGreg AllenDenys IvanovNick VirtueAlexey EromenkoNicholas RoseScott GossettMark DykstraMark VasilePatrick MurraySultan AlkhulaifiAlex SetoMichal-Peanut KarmiErik SteinDaniel LyonsKevin WarneJJ BagnellJ RejcAvi GoldfingerJohn PettitFlorian StiglmayrBenoit Pagé-GuitardNathan LenizJessica FraleyLoro LukicBrandon LabonteDavid CraneGreg Weiss"The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US market. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally." Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE↓ More info below ↓Uploaded 12-08-19This is a VR180 video so pop on your Google Cardboard or VR Headset to be totally immersed in our world! No headset? No problem. Move your mobile phone around and catch the total 180 experience. Have fun looking down from the catwalk! How can you build a telescope that can see the entire night sky without moving its dish? Well in this special episode of Space Time we took a tour of the Arecibo Observatory with a VR 180 camera so you could explore the incredible ingenuity of Arecibo's giant spherical dish that allows it to reflect light from every spot on the sky in a symmetric way. We also talked to Dr. Abel Méndez about Exoplantes and Aliens! Check out our interview with Dr. Abel Méndez about Finding Exoplanets and Talking to Aliens:https://youtu.be/RrH9LwD1bx4Hosted by Matt O’DowdWritten by: Matt O’DowdDirected by: Eric BrownDirector of Photography: Eric BrouseSound: Brett Van DuesenEditing: Brian Nils JohnsonAssistant Editing: Daniel Sircar Produced By: Kornhaber BrownCheck out the new Space Time Merch Store!https://pbsspacetime.com/Support Space Time on Patreonhttps://www.patreon.com/pbsspacetime Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn More about Brilliant: https://brilliant.org/SpaceTime/Uploaded 13-10-21Paradoxically, the most promising prospects for moving matter around faster than light may be to put a metaphorical brick wall in its way. New efforts in quantum tunneling - both theory and experiment - show that superluminal motion may be possible, while still managing to avoid the paradox of superluminal signaling.Paradoxically, the most promising prospects for moving matter around faster than light may be to put a metaphorical brick wall in its way. New efforts in quantum tunneling - both theory and experiment - show that superluminal motion may be possible, while still managing to avoid the paradox of superluminal signaling.Sign Up on Patreon to get access to the Space Time Discord!https://www.patreon.com/pbsspacetimeCheck out the Space Time Merch Storehttps://www.pbsspacetime.com/shopSign up for the mailing list to get episode notifications and hear special announcements!https://mailchi.mp/1a6eb8f2717d/spacetimeWatch our original Quantum Tunneling episode here:https://youtu.be/-IfmgyXs7z8Relativistic Tunneling Paperhttps://iopscience.iop.org/article/10.1088/1367-2630/abb515/pdfNature Paperhttps://www.nature.com/articles/s41586-020-2490-7?proof=tHosted by Matt O'DowdWritten by Tom Rivlin and Matt O'Dowd Post-Production by Leonardo Scholzer, Yago Ballarini, Pedro Osinski, Adriano Leal and Stephanie FariaGFX Visualizations: Ajay ManuelDirected by Andrew KornhaberAssistant Producer: Setare GholipourExecutive Producers: Eric Brown and Andrew KornhaberEnd Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroidekaSpecial Thanks to Our Patreon SupportersBig Bang SupportersPeter BarrettNils AndersonDavid NeumannAri PaulCharlieMrs. Tiffany PoindexterLeo KoguanSandy WuMatthew MillerAhmad JodehAlexander TamasMorgan HoughJuan BenetVinnie FalcoFabrice EapMark RosenthalDavid NicklasHenry Van StynQuasar SupportersAlex KernMichael SchneiderEthan CohenStephen WilcoxChristina OegrenMark HeisingHank SHypernova Supporterswilliam bryanJustin SmithdrollereJoe MoreiraMarc ArmstrongElizabeth SmithScott GorlickNick BerardPaul Stehr-GreenMuON MarketingRussell PopeBen DeloNicholas NewlinScott GrayАнтон КочковJohn R. SlavikMathewDonal BotkinEdmund FokschanerJoseph SalomoneMatthew O'Connorchuck zegarJordan Youngm0nkJohn HofmannDaniel MuzquizTimothy McCullochGamma Ray Burst SupportersDaniel MorganJeremy SollerJonathan ConerlyAndre StechertRoss BohnerFarhan WaliPaul WoodKent Durhamjim bartoshNubbleChris NavridesScott R CalkinsCarl ScaggsG MackThe Mad MechanicEllis HallJohn H. Austin, Jr.Diana SBen CampbellLawrence Tholl, DVMFaraz KhanAlmog CohenAlex EdwardsÁdám KettingerMD3Endre PechDaniel JenningsCameron SampsonPratik MukherjeeGeoffrey ClarionAdrian PosorDarren DuncanRuss CreechJeremy ReedEric WebsterSteven SartoreDavid JohnstonJ. KingMichael BartonChristopher BarronJames RamseyJustin JermynMr TAndrew MannPeter MertzIsaac SuttellDevon RosenthalOliver FlanaganBleys GoodsonRobert WalterBruce BIsmael MontecelSimon OliphantMark DelagasseMark Daniel CohenBrandon LattinNickolas Andrew FreemanProtius ProtiusShane CalimlimTybie FitzhughRobert IlardiEric KieblerCraig StonahaMartin SkansMichael ConroyGraydon GossFrederic SimonTonyfaceJohn RobinsonA GKevin LeeAdrian HatchYurii KonovaliukJohn FunaiCass CostelloTristan DelocheBradley JenkinsKyle HoferDaniel StříbrnýLuaanAlecZeroVlad ShipulinCodyMalte UblKing ZeckendorffNick VirtueScott GossettDan WarrenPatrick SuttonJohn GriffithDaniel LyonsDFaulkGrowingVioletKevin WarneAndreas NautschBrandon labonte Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices