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What if the “magic” of tomorrow is just science we don’t yet understand? In this episode, we explore the wildest speculative technologies—faster-than-light travel, Dyson Spheres, teleportation, wormholes, and more. Could these breakthroughs redefine our future or explain the Fermi Paradox? Find out as we dive into the impossible! Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur–… Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa… Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: Impossible Technologies: The Clarketech Compendium Episode 486a; February 16, 2025 Written, Produced & Narrated by: Isaac Arthur Editors: Ludwig Luska, Thomas Owen, Lukas Konecny Graphics: Jeremy Jozwik, Ken York YD Visual, Mihail Yordanov, Sergio Botero Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Phase Shift, “Forest Night” Chris Zabriskie, “Unfoldment, Revealment”, “A New Day in a New Sector”, “Oxygen Garden” Stellardrone, “Red Giant”, “Billions and Billions” Lombus, “Hydrogen Sonata” “Cosmic Soup” Segments/Breaks 0:00 Intro 2:00 Defining Clarketech 5:00 Fermi Paradox & Implications 7:59 Ascension Machines & Apotheosis 10:53 Anti-Gravity 13:00 Attotech 14:57 Dark Matter Manipulation 17:02 Disintegration Devices 21:07 Dyson Sphere 25:52 Big Alien Theory 27:17 Entropy Manipulation 32:37 Faster-than-Light Travel (FTL) 35:06 Femtotech 38:36 Field Nullifiers & Amplifiers 41:17 Hammerspace 43:59 Kugelblitz Black Holes 47:36 Magmatter 50:02 Mass Manipulation 52:05 Matter-to-Energy Conversion 56:31 Negative Matter & Mass 58:07 Neutronium 59:47 Parallel Universes & Alternate Realities 1:01:47 Perpetual Motion Machine 1:05:06 Photogravitics & Photoneutrino Devices 1:07:32 Probability Manipulation 1:08:33 Reactionless Drive 1:10:08 SFIA Intermission 1:10:46 Slow Time Fields 1:12:52 Subverse Creation 1:14:11 Technological Suppression Zones 1:16:40 Teleportation & Gateways 1:18:14 Tachyon Tech 1:20:32 Time Manipulation 1:23:27 Utility Fog & Smart Matter 1:27:06 Wormholes 1:28:39 Zero Point Energy 1:30:20 Outro.

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Imagine a scale that ranks civilizations not by their borders or technology, but by the sheer energy they command— some spanning entire galaxies. Join us as we explore the Kardashev Scale, the ultimate measure of cosmic power.

Watch my exclusive video Big Alien Theory https://nebula.tv/videos/isaacarthur–… Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa… Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30. Visit our Website: http://www.isaacarthur.net Join Nebula: https://go.nebula.tv/isaacarthur Support us on Patreon: / isaacarthur Support us on Subscribestar: https://www.subscribestar.com/isaac-a… Facebook Group: / 1,583,992,725,237,264 Reddit: / isaacarthur Twitter: / isaac_a_arthur on Twitter and RT our future content. SFIA Discord Server: / discord Credits: The Kardashev Scale & Population Episode 486; February 13, 2025 Written, Produced & Narrated by: Isaac Arthur Editors: Ludwig Luska Graphics: Fishy Tree, Jeremy Jozwik, Ken York YD Visual Select imagery/video supplied by Getty Images Music Courtesy of Epidemic Sound http://epidemicsound.com/creator Phase Shift, “Forest Night” Chris Zabriskie, “Unfoldment, Revealment”, “A New Day in a New Sector”, “Oxygen Garden” Stellardrone, “Red Giant”, “Billions and Billions“
Get Nebula using my link for 40% off an annual subscription: https://go.nebula.tv/isaacarthur.
Get a Lifetime Membership to Nebula for only $300: https://go.nebula.tv/lifetime?ref=isa…
Use the link gift.nebula.tv/isaacarthur to give a year of Nebula to a friend for just $30.

Visit our Website: http://www.isaacarthur.net.
Join Nebula: https://go.nebula.tv/isaacarthur.
Support us on Patreon: / isaacarthur.
Support us on Subscribestar: https://www.subscribestar.com/isaac-a…
Facebook Group: / 1583992725237264
Reddit: / isaacarthur.
Twitter: / isaac_a_arthur on Twitter and RT our future content.
SFIA Discord Server: / discord.
Credits:
The Kardashev Scale & Population.
Episode 486; February 13, 2025
Written, Produced & Narrated by: Isaac Arthur.
Editors: Ludwig Luska.
Graphics: Fishy Tree, Jeremy Jozwik, Ken York YD Visual.
Select imagery/video supplied by Getty Images.
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator.
Phase Shift, \

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In today’s AI news, OpenAI will ship GPT-5 in a matter of months and streamline its AI models into more unified products, said CEO Sam Altman in an update. Specifically, Altman says the company plans to launch GPT-4.5 as its last non-chain-of-thought model and integrate its latest o3 reasoning model into GPT-5.

In other advancements, Harvey, a San Francisco AI startup focused on the legal industry, has raised $300 million in a funding round led by Sequoia that values the startup at $3 billion — double the amount investors valued it at in July. The Series D funding round builds on the momentum and reflects investors’ enthusiasm for AI tools …

Meanwhile, Meta is in talks to acquire South Korean AI chip startup FuriosaAI, according to people familiar with the matter, a deal that could boost the social media giant’s custom chip efforts amid a shortage of Nvidia chips and a growing demand for alternatives. The deal could be completed as early as this month.

Then, AI took another step into Hollywood today with the launch of a new filmmaking tool from showbiz startup Flawless. The product — named DeepEditor — promises cinematic wizardry for the digital age. For movie makers, the tool offers photorealistic edits without a costly return to set.

In videos, join IBM’s Boris Sobolev as he explains how model customization can enhance reliability and decision-making of agentic systems. Discover practical tips for data collection, tool use, and pushing the boundaries of what your AI can achieve. Supercharge your AI agents for peak performance!

Continue reading “Sam Altman Announces GPT-5 Timeline Update, Cancels o3 As Standalone Model” | >

For decades, people believed absolute pitch was an exclusive ability granted only to those with the right genetics or early music training. But new research from the University of Surrey proves otherwise. It’s been a long-held belief that absolute pitch — the ability to identify musical notes without a reference — is a rare talent limited to those with specific genetic traits or early musical training. However, new research from the University of Surrey challenges this idea, showing that adults can develop absolute pitch through dedicated training.

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🚀 Scientists have confirmed a super-Earth in the habitable zone! HD 20,794D, located just 20 light-years away, could have liquid water, making it a prime candidate for life. But its elliptical orbit raises big questions—could life survive its extreme temperature swings? 🌍 With future telescopes set to analyze its atmosphere, we may be on the verge of a historic discovery. Watch now to explore what makes HD 20,794D so special! Subscribe for more space discoveries! 🌌✨

Paper link: https://www.aanda.org/articles/aa/ful… 00:00 Introduction 00:41 Discovery and Confirmation Process 02:13 Characteristics of HD 20,794D 04:43 Implications for Habitability and Future Research 08:38 Outro 09:07 Enjoy MUSIC TITLE : Starlight Harmonies MUSIC LINK : https://pixabay.com/music/pulses-star… Visit our website for up-to-the-minute updates: www.nasaspacenews.com Follow us Facebook: / nasaspacenews Twitter: / spacenewsnasa Join this channel to get access to these perks: / @nasaspacenewsagency #NSN #NASA #Astronomy#HD20794D #Exoplanet #SuperEarth #NASA #SpaceExploration #AlienLife #HabitableZone #EarthLikePlanet #Astronomy #Astrobiology #LifeOnOtherPlanets #ExoplanetDiscovery #SpaceNews #AstronomyLovers #Telescope #PlanetHunting #NewEarth #DeepSpace #JWST #HabitableExoplanets #ScienceNews #FutureOfSpace #NASAUpdates #ExtremePlanets #SpaceFacts #AstronomyCommunity #SpaceTech #SolarSystem #GalaxiesBeyond #AlienWorld.

Chapters:
00:00 Introduction.
00:41 Discovery and Confirmation Process.
02:13 Characteristics of HD 20,794D.
04:43 Implications for Habitability and Future Research.
08:38 Outro.
09:07 Enjoy.

MUSIC TITLE : Starlight Harmonies.

Continue reading “New Earth? Scientists Just Confirmed a Super-Earth in the Habitable Zone!” | >

Scientists have just discovered the largest structure ever found in the universe, and it’s changing everything we thought we knew about space! Quipu, a superstructure spanning 1.3 billion light-years, is bending light, distorting cosmic expansion, and even affecting the Cosmic Microwave Background. What does this mean for our understanding of dark matter, energy, and galaxy evolution? Watch this video to explore Quipu’s secrets and their impact on the universe! 🚀✨ paper link: https://arxiv.org/abs/2501.19236 MUSIC TITLE : Starlight Harmonies MUSIC LINK : https://pixabay.com/music/pulses-starlight-harmonies-185900/ Visit our website for up-to-the-minute updates: www.nasaspacenews.com Follow us Facebook: https://www.facebook.com/nasaspacenews Twitter: https://twitter.com/SpacenewsNasa Join this channel to get access to these perks: https://www.youtube.com/channel/UCEuhsgmcQRbtfiz8KMfYwIQ/join #NSN #NASA #Astronomy#SpaceDiscovery #Quipu #LargestStructure #Astronomy #Cosmos #BiggestThingInSpace #DarkMatter #GalaxyClusters #SpaceScience #NASA #Astrophysics #CosmicWeb #ScienceNews #MindBlowing #Intergalactic #BlackHoles #Physics #TimeAndSpace #Superstructure #Galaxies #Universe #Science #Exoplanets #MilkyWay #Astronomers #XrayMapping #SpaceTech #BeyondTheStars #FutureOfSpace #CosmicEvolution …

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