Summary
Marketers are increasingly vocal about the inefficiencies of ad spending, coining the term "bull spend" to describe budgets allocated to metrics that may appear impressive but fail to deliver tangible results. This sentiment is echoed in discussions about the importance of focusing on revenue rather than just reach, especially in the context of digital advertising platforms like LinkedIn, which offers targeted advertising options.
In a deeper dive into quantum physics, the conversation shifts to quantum field theory (QFT) and its implications for understanding the universe. The discussion highlights the anomalous magnetic dipole moment of the electron, a phenomenon that reveals discrepancies between classical and quantum predictions. The g factor, which quantifies this difference, is shown to be slightly greater than two, a finding that has been confirmed through precise experimental measurements.
The episode further explores the complexities of calculating the g factor, emphasizing the role of virtual photons and Feynman diagrams in quantum electrodynamics. These tools help physicists account for the myriad interactions that can occur within the quantum electromagnetic field, leading to increasingly accurate predictions that align with experimental data. The ongoing refinement of these calculations underscores the robustness of quantum theory as a framework for understanding the fundamental workings of reality.
Show Notes
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 15-08-18Let’s talk about the best evidence we have that the theories of quantum physics truly represent the underlying workings of reality. You can signup for your trial to The Great Courses Plus at: http://ow.ly/bugR30hIvbuQuantum field theory is notoriously complicated, built from mind-bendingly abstract mathematics. But are the underlying rules of reality really so far from human intuition? Or are physicists just showing off? For better or worse, the physicists are definitely on the right track. We know this because the predictions of quantum field theory stand up to experimental test time and time again. The Great Courses Plus is currently available to watch through a web browser to almost anyone in the world and optimized for the US, UK, and Australian markets. The Great Courses Plus is currently working to both optimize the product globally and accept credit card payments globally.You can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time t-shirt 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:How Close To The Sun Can Humanity Get?https://www.youtube.com/watch?v=cOzaGEAGzzA&t=1sHosted by Matt O'DowdWritten by Graeme Gossel and Matt O'DowdGraphics by Luke MaroldiAssistant Editing and Sound Design by Mike PetrowMade by Kornhaber Brown (www.kornhaberbrown.com)Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big BangAnton LifshitsCoolAsCatsDavid NicklasFabrice EapQuasarDean FuquaMark RosenthalMayank M. MehrotaRoman PinchukTambe BarsbayVinnie FalcoHypernovaChuck ZegarDonal BotkinEdmund FokschanerEugene LawsonJohn HofmannJordan YoungJoseph SalomoneMatthew O’ConnorRatfeastThanks to our Patreon Gamma Ray Burst Supporters: Alexey EromenkoAsa HoodBenoit Pagé-GuitardBrandon CookBrandon LabonteDaniel LyonsDavid CraneDeborah WhittakerFabian OlesenGreg AllenGreg WeissIan AnoanJames FlowersJames HughesJJ BagnellJon FolksKevin WarneMalte UblMark VasileNicholas RoseNick VirtueScott GossettShannan Catalanoسلطان الخليفي Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
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Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACEUploaded 07-06-17Could the mysterious Cold Spot found in the CMB be the result of a collision with a bubble universe? Try 23andMe at http://23andme.com/spacetime____________________________________________________[CORRECTION: The calculated ISW cooling from cold spot observed voids is 0.000032 Kelvin not 0.032 K as is listed on screen, the actual cold spot temperature differential is 0.000150 Kelvin not 0.15 K, and the actual ISW cooling from the control region is 0.000014 Kelvin not 0.014 K. The actual control region temperature differential is 0.000015 Kelvin not 0.015K. Thanks to Chris Morong for catching this discrepancy!]You 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_panel?tab=2&c=UC7_gcs09iThXybpVgjHZ_7gPrevious Episode:The Fate of the First Starshttps://www.youtube.com/watch?v=4pSUtWBiuB4Space Time Journal Club examines Evidence Against a Supervoid Causing the CMB Cold Spothttps://arxiv.org/abs/1704.03814 If you study a map of the Cosmic Microwave Background, or CMB, you may notice a large, deep blue splotch on the lower right. This area, creatively named the Cold Spot. Is this feature a statistical fluke, the signature of vast supervoids, or even the imprint of another universe? Written by Matt O’Dowd and Alexandra Yep Hosted by Matt O'DowdProduced by Rusty WardGraphics by Kurt RossMade by Kornhaber Brown (www.kornhaberbrown.com)Resources:Local Voids as the Origin of Large Scale CMB Anomalieshttps://arxiv.org/abs/astro-ph/0602478Watching Worlds Collidehttp://iopscience.iop.org/article/10.1088/1475-7516/2009/04/025Comments answer by Matt:Fjellrevenhttps://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12cydr5qvbsjpnja04cftmasve4uz1os40yemehttps://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z13xstcqcwzetxvqr04cef3haoapz1oiork0kmyky992https://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12rtll43pybfnifk23tjftzhnb2xd023Andrew Wrighthttps://www.youtube.com/watch?v=4pSUtWBiuB4&lc=z12svntwkwumv1n3l23mzlvomtr2zfjtgSpecial thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big BangShane RobinsonDavid NicklasSamuel Dean JacinthoEugene LawsonSimone “Evilsocket” MargaritelliQuasarTambe BarsbayCoolascatsMax LevineHypernovaChuck ZegarJordan YoungRatfeastJohn HofmannJoseph Salomone Martha HuntScience Via MarketsCraig PetersonThanks to our Patreon Gamma Ray Burst Supporters: Alex SetoJustin LloydConor DillonJared MooreMichal-Peanut KarmiBernardo HigueraErik SteinDaniel LyonsJade BilkeyKevin WarneJJ BagnellJ RejcAmy JieAvi GoldfingerJohn PettitShannan CatalanoFlorian StinglmayrYubo DuBenoit Pagé-GuitardRonny PoloniaNathan LenizJessica FraleyLoro LukicBrandon LabonteDavid CraneGreg WeissEric Jackson Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
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To learn to think like a scientist check out http://Brilliant.org/SpaceTime Uploaded 21-11-18PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACETo repeat the space time maxim: it’s never aliens … until it is. So let’s talk about ‘oumuamua.You can further support us on Patreon at https://www.patreon.com/pbsspacetimeGet your own Space Time t-shirt 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:Are Virtual Particles A New Layer of Reality? https://www.youtube.com/watch?v=ztFovwCaOikHosted by Matt O'DowdWritten by Matt O'DowdGraphics by Luke MaroldiAssistant Editing and Sound Design by Mike Petrow and Meah Denee BarringtonMade by Kornhaber Brown (www.kornhaberbrown.com)Bialy and Loeb (2018)https://arxiv.org/pdf/1810.11490Micheli et al. (2018)https://go.nature.com/2A9FncQLast year a visitor came to our inner solar system. To us it looked like a faint spot of light, moving quickly relative to the fixed stars. We’d seen similar things countless times before – lonely rocks, remnants from the formation of our solar system, drifting on their endless orbits around the sun and faintly glimmering with its reflected light. Nothing unusual about such asteroids and comets, but what made this object special was its trajectory. It was not in orbit around the Sun at all. Rather, it appeared to have fallen in from interstellar space, and was on its way back out again. The object is 1I/2017 U1, better known as ‘Oumuamua. It’s the first chunk of interstellar space debris we’ve ever spotted passing through our solar system. It caused a justifiable stir at the time. Hell, WE even did an episode on it.Special thanks to our Patreon Big Bang, Quasar and Hypernova Supporters: Big BangDavid NicklasCoolAsCatsAnton LifshitsFabrice EapJustin LloydJuan BenetQuasarTambe BarsbayMark RosenthalDean FuquaJames FlowersVinnie FalcoHypernovaChuck ZegarJordan YoungJoseph SalomoneJohn HofmannMartha HuntMatthew O’ConnorRatfeastBrent MullinsDonal BotkinEdmund FokschanerMax LevineThanks to our Patreon Gamma Ray Burst Supporters: Alexander RodriguezAlexey EromenkoBrandon CookBrandon LabonteDaniel LyonsDavid CraneFabian OlesenFauzan ArdhanaGreg AllenGreg WeissJack FroschJames HughesJJ BagnellJon FolksJoseph EmisonJosh ThomasKevin WarneMalte UblMark VasileNathan LenizNicholas RoseNick VirtueScott GossettShannan CatalanoShawn AzmanTommy Mogensenسلطان الخليفي Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
Thank you to Morning Brew for supporting PBS. To learn more and sign up go to https://cen.yt/mbpbsspaceUploaded 08-03-22Take the Space Time Fan Survey Here: https://forms.gle/wS4bj9o3rvyhfKzUAPBS Member Stations rely on viewers like you. To support your local station, go to:http://to.pbs.org/DonateSPACEAt just four light years away, Proxima Centauri is our closest solar neighbor. The recent discovery of the new exoplanet Proxima D, has reopened the discussion of whether the proxima system is our best chance at reaching another Earth. How did we discover Proxima D? How do we know what the conditions are on planets so far away? Watch the episode to learn more. 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/spacetimeHosted by Matt O'DowdWritten by 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 KornhaberExecutives in Charge (PBS): Adam Dylewski, Maribel Lopez Director of Programming (PBS): Gabrielle Ewing Spacetime is produced by Kornhaber Brown for PBS Digital Studios.This program is produced by Kornhaber Brown, which is solely responsible for its content.© 2021 PBS. All rights reserved.End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroidekaSpecial Thanks to Our Patreon SupportersBig BangMark EvansDavid TaicletBen DimockDaniel AlexiucNenado763Peter BarrettNils AndersonDavid NeumannCharlieLeo KoguanSandy WuMatthew MillerAhmad JodehAlexander TamasMorgan HoughJuan BenetVinnie FalcoFabrice EapMark RosenthalDavid NicklasHenry Van StynQuasarAlex KinseyAlex KernEthan CohenStephen WilcoxChristina OegrenMark HeisingHank SHypernovawilliam bryanSergio BonfigliodrollereJoe MoreiraMarc ArmstrongScott GorlickPaul Stehr-GreenAdam WaltersRussell PopeBen DeloScott GrayАнтон КочковJohn R. SlavikMathewDonal BotkinJohn PollockEdmund FokschanerJoseph Salomonechuck zegarJordan Youngm0nkDaniel MuzquizGamma Ray BurstTony AffinitoLillith MontgomeryAvi YashchinMHL SHSKory KirkJoshua FriedeTerje VoldAnatoliy NagornyySam KirkpatrickcomboyBrett BakerJeremy SollerJonathan ConerlyAndre StechertRoss BohnerPaul WoodKent Durhamjim bartoshNubbleChris NavridesScott R CalkinsThe Mad MechanicEllis HallJohn H. Austin, Jr.Diana SBen CampbellLawrence Tholl, DVMFaraz KhanAlmog CohenAlex EdwardsÁdám KettingerMD3Endre PechDaniel JenningsCameron SampsonPratik MukherjeeGeoffrey ClarionNateDarren DuncanRuss CreechJeremy ReedEric WebsterDavid JohnstonJ. KingMichael BartonChristopher BarronJames RamseyJustin JermynMr TAndrew MannIsaac SuttellDevon RosenthalOliver FlanaganBleys GoodsonRobert WalterBruce BSimon OliphantMirik GogriMark DelagasseMark Daniel CohenBrandon LattinNickolas Andrew FreemanShane CalimlimTybie FitzhughRobert IlardiEric KieblerCraig StonahaMartin SkansThe Art of SinGraydon GossFrederic SimonTonyfaceJohn RobinsonA GDavid NealKevin LeejustahatJohn FunaiCass CostelloTristanBradley JenkinsKyle HoferDaniel StříbrnýLuaanAlecZeroVlad ShipulinCodyMalte UblKing ZeckendorffNick VirtueScott GossettDan WarrenPatrick SuttonDaniel LyonsDFaulkKevin Warne Learn more about your ad choices. Visit megaphone.fm/adchoices Learn more about your ad choices. Visit megaphone.fm/adchoices
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