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1. Here's Why I Love PBS

2. Space Time VR

3. Space Time Livestream: Ask Matt Anything

4. Theory of Everything Livestreams with Amazing Guests

5. What is a Theory of Everything Livestream

6. Theory of Everything Controversies: Livestream

7. 2021 End of Year AMA!

8. The Nature of Space and Time AMA

1. What Planet is Super Mario World?

1. What Planet is Super Mario World?

2. Is It Irrational to Believe in Aliens?

3. How Do You Measure the Size of the Universe?

4. Should We Colonize Venus Instead of Mars?

5. What Will Destroy Planet Earth?

6. Can A Starfox Barrel Roll Work In Space?

7. Cosmic Microwave Background Explained

8. Is the Moon in Majora’s Mask a Black Hole?

9. Could You Fart Your Way to the Moon?

10. How to Weigh a Fart

11. Could NASA Start the Zombie Apocalypse?

12. Are Space and Time An Illusion?

13. What's the Most Realistic Artificial Gravity in Sci-Fi?

14. Should the First Mars Mission Be All Women?

15. 9 NASA Technologies Shaping YOUR Future

16. The Real Meaning of E=mc²

17. Habitable Exoplanets Debunked!

18. Is Gravity An Illusion?

19. Challenge: What Happens to a Helium Balloon in Freefall?

20. How to Signal Aliens

21. The Calendar, Australia & White Christmas

22. Can a Circle Be a Straight Line?

23. Curvature Demonstrated + Comments

24. The Leap Second Explained

25. Can You Trust Your Eyes in Spacetime?

26. SPECIAL ANNOUNCEMENT + Flat Spacetime Geometry Comments

27. General Relativity & Curved Spacetime Explained!

28. What Physics Teachers Get Wrong About Tides!

29. Challenge: Which Particle Wins This Race?

30. Do Events Inside Black Holes Happen?

31. Watch THIS! (New Host + Challenge Winners)

32. Does Dark Matter BREAK Physics?

33. What Happens At The Edge Of The Universe?

34. The Speed of Light is NOT About Light

35. 5 REAL Possibilities for Interstellar Travel

36. Have Gravitational Waves Been Discovered?!?

37. Is The Alcubierre Warp Drive Possible?

38. Why Haven't We Found Alien Life?

39. Challenge: Can you save Earth from a Killer Asteroid?

40. 5 Ways to Stop a Killer Asteroid

41. 100 Years of Relativity + Challenge Winners!

42. How to Build a Black Hole

43. The Higgs Mechanism Explained

1. The True Nature of Matter and Mass

2. When Time Breaks Down

3. The Photon Clock Challenge

4. The Origin of Matter and Time

5. Will Mars or Venus Kill You First?

6. LIGO's First Detection of Gravitational Waves!

7. Planet X Discovered?? + Challenge Winners!

8. Why the Big Bang Definitely Happened

9. What's Wrong With the Big Bang Theory?

10. Cosmic Microwave Background Challenge

11. Why is the Earth Round and the Milky Way Flat?

12. How Cosmic Inflation Flattened the Universe

13. Pulsar Starquakes Make Fast Radio Bursts? + Challenge Winners!

14. We Are Star Stuff

15. Will the Universe Expand Forever?

16. Why the Universe Needs Dark Energy

17. What Does Dark Energy Really Do?

18. Will Starshot's Insterstellar Journey Succeed?

19. The Cosmic Conspiracy of Dark Energy Challenge Question

20. Anti-gravity and the True Nature of Dark Energy

21. Is an Ice Age Coming?

22. Is Quantum Tunneling Faster than Light?

23. New Fundamental Particle Discovered?? + Challenge Winners!

24. The Strange Universe of Gravitational Lensing

25. Planck's Constant and The Origin of Quantum Mechanics

26. Nuclear Physics Challenge

27. Juno to Reveal Jupiter's Violent Past

28. The Future of Gravitational Waves

29. The Quantum Experiment that Broke Reality

30. Can We Survive the Destruction of the Earth? ft. Neal Stephenson

31. How the Quantum Eraser Rewrites the Past

32. Quantum Eraser Lottery Challenge

33. Should We Build a Dyson Sphere?

34. Is There a Fifth Fundamental Force? + Quantum Eraser Answer

35. Self-Replicating Robots and Galactic Domination

36. Quantum Entanglement and the Great Bohr-Einstein Debate

37. Life on Europa?

38. Are We Alone? Galactic Civilization Challenge

39. Black Holes from the Dawn of Time

40. The First Humans on Mars

41. The Many Worlds of the Quantum Multiverse

42. Quantum Vortices and Superconductivity + Challenge Answers

43. Did Dark Energy Just Disappear?

44. Strange Stars

45. Pilot Wave Theory and Quantum Realism

46. What Happens at the Event Horizon?

47. Escape The Kugelblitz Challenge

48. Have They Seen Us?

1. How to See Black Holes + Kugelblitz Challenge Answer

2. The EM Drive: Fact or Fantasy?

3. The Phantom Singularity

4. Why Quasars are so Awesome

5. The Geometry of Causality

6. Telescopes of Tomorrow

7. The Eye of Sauron Reveals a Forming Solar System!

8. The Treasures of Trappist-1

9. The Race to a Habitable Exoplanet - Time Warp Challenge

10. Time Crystals!

11. Superluminal Time Travel + Time Warp Challenge Answer

12. How Time Becomes Space Inside a Black Hole

13. Telescopes on the Moon

14. The Oh My God Particle

15. Are You a Boltzmann Brain?

16. Are We Living in an Ancestor Simulation?

17. The Great American Eclipse

18. Martian Evolution

19. The Fate of the First Stars

20. Supervoids vs Colliding Universes!

21. Anti-Matter and Quantum Relativity

22. The First Quantum Field Theory

23. Feynman's Infinite Quantum Paths

24. Solving the Impossible in Quantum Field Theory

25. The Real Star Wars

26. The Secrets of Feynman Diagrams

27. Dark Flow

28. The One-Electron Universe

29. Extraterrestrial Superstorms

30. First Detection of Life

31. White Holes

32. Neutron Stars Collide in New LIGO Signal?

33. The Future of Space Telescope

34. Are the Fundamental Constants Changing?

35. When Quasars Collide STJC

36. Absolute Cold

37. The Nature of Nothing

38. The Missing Mass Mystery

39. The Vacuum Catastrophe

40. Zero-Point Energy Demystified

41. Suicide Space Robots

42. Citizen Science + Zero-Point Challenge Answer

43. Understanding the Uncertainty Principle with Quantum Fourier Series

44. The Origin of Our First Interstellar Visitor

45. Extinction by Gamma-Ray Burst

1. What Do Stars Sound Like?

2. Horizon Radiation

3. The End of the Habitable Zone

4. Kronos: Devourer Of Worlds

5. What is Energy?

6. The Death of the Sun

7. The Trebuchet Challenge

8. Should Space be Privatized?

9. Hawking Radiation

10. Scientists Have Detected the First Stars

11. The Andromeda-Milky Way Collision

12. The Unruh Effect

13. Physics of Life

14. Using Stars to See Gravitational Waves

15. Black Hole Swarms

16. The Star at the End of Time

17. How Gaia Changed Astronomy Forever

18. Noether's Theorem and The Symmetries of Reality

19. Why Quantum Information is Never Destroyed

20. What Survives Inside A Black Hole?

21. The Black Hole Information Paradox

22. How Asteroid Mining Will Save Earth

23. Will A New Neutrino Change The Standard Model?

24. Quantum Invariance & The Origin of The Standard Model

25. The Misunderstood Nature of Entropy

26. Reversing Entropy with Maxwell's Demon

27. How Close To The Sun Can Humanity Get?

28. Quantum Theory's Most Incredible Prediction

29. How Will the Universe End?

30. Is There Life on Mars?

31. The Black Hole Entropy Enigma

32. How Much Information is in the Universe?

33. Quantum Gravity and the Hardest Problem in Physics

34. How to Detect Extra Dimensions

35. Computing a Universe Simulation

36. What are the Strings in String Theory?

37. Will We Ever Find Alien Life?

38. Are Virtual Particles A New Layer of Reality?

39. Why String Theory is Right

40. Supersymmetric Particle Found?

41. 'Oumuamua Is Not Alien

42. Did Life on Earth Come from Space?

43. Quantum Physics in a Mirror Universe

44. Why String Theory is Wrong

1. Are Dark Matter And Dark Energy The Same?

2. Our Antimatter, Mirrored, Time-Reversed Universe

3. The Crisis in Cosmology

4. Perpetual Motion From Negative Mass?

5. Sound Waves from the Beginning of Time

6. Secrets of the Cosmic Microwave Background

7. The Impossibility of Perpetual Motion Machines

8. Will You Travel to Space?

9. Is Dark Energy Getting Stronger?

10. Could the Universe End by Tearing Apart Every Atom?

11. The Edge of an Infinite Universe

12. The Holographic Universe Explained

13. No Dark Matter = Proof of Dark Matter?

14. The Real Science of the EHT Black Hole

15. Why Quantum Computing Requires Quantum Cryptography

16. The Cosmic Dark Ages

17. The Alchemy of Neutron Star Collisions

18. How Black Holes Kill Galaxies

19. The Quasar from The Beginning of Time - STELLAR

20. Thorium and the Future of Nuclear Energy

21. The Quantum Internet

22. Did Time Start at the Big Bang?

23. Deciphering The Vast Scale of the Universe - STELLAR

24. What Caused the Big Bang?

25. Exploring Arecibo in VR 180

26. What Happened Before the Big Bang?

27. How To Become an Astrophysicist + Challenge Question!

28. Is Earth's Magnetic Field Reversing?

29. Could We Terraform Mars?

30. Is Pluto a Planet?

31. How Many Universes Are There?

32. Black Hole Harmonics

33. Loop Quantum Gravity Explained

34. Is Time Travel Impossible?

35. Why We Might Be Alone in the Universe

36. Does Life Need a Multiverse to Exist?

37. Can You Observe a Typical Universe?

38. Is The Universe Finite?

39. The Doomsday Argument

40. Do Black Holes Create New Universes?

1. How To Detect a Neutrino

2. How To Capture Black Holes

3. Solutions to the Three Body Problem

4. Hacking the Nature of Reality

5. Are there Infinite Versions of You?

6. Are Axions Dark Matter?

7. Does Consciousness Influence Quantum Mechanics?

8. How Decoherence Splits The Quantum Multiverse

9. Does Quantum Immortality Save Schrödinger's Cat?

10. How Do Quantum States Manifest In The Classical World?

11. How Black Holes Spin Space Time

12. What’s On The Other Side Of A Black Hole?

13. How We Know The Earth Is Ancient

14. Was the Milky Way a Quasar?

15. Will Wormholes Allow Fast Interstellar Travel?

16. How We Know The Universe is Ancient

17. How Luminiferous Aether Led to Relativity

18. Mapping the Multiverse

19. Does Gravity Require Extra Dimensions?

20. Can Viruses Travel Between Planets?

21. What Happens After the Universe Ends?

22. Building Black Holes in a Lab

23. Dissolving an Event Horizon

24. Does Antimatter Explain Why There's Something Rather Than Nothing?

25. The Boundary Between Black Holes & Neutron Stars

26. How Stars Destroy Each Other

27. Can Future Colliders Break the Standard Model?

28. How Do We Know What Stars Are Made Of?

29. The Truth About Beauty in Physics

30. Could Life Evolve Inside Stars?

31. Solving Quantum Cryptography

32. Venus May Have Life!

33. Do the Past and Future Exist?

34. Is The Future Predetermined By Quantum Mechanics?

35. How The Penrose Singularity Theorem Predicts The End of Space Time

36. Electroweak Theory and the Origin of the Fundamental Forces

37. Can Free Will be Saved in a Deterministic Universe?

38. The Arrow of Time and How to Reverse It

39. Why Do You Remember The Past But Not The Future?

40. The Supernovas At The End of The Universe

41. Navigating with Quantum Entanglement

1. What Happens During a Quantum Jump?

2. Can We Break the Universe?

3. Is Dark Matter Made of Particles?

4. How Does Gravity Warp the Flow of Time?

5. Gravitational Wave Background Discovered?

6. Does Time Cause Gravity?

7. How Does Gravity Affect Light?

8. The NEW Crisis in Cosmology

9. Zeno's Paradox & The Quantum Zeno Effect

10. Why the Muon g-2 Results Are So Exciting!

11. What If Dark Matter Is Just Black Holes?

12. The NEW Warp Drive Possibilities

13. How To Know If It's Aliens

14. Breaking The Heisenberg Uncertainty Principle

15. What If (Tiny) Black Holes Are Everywhere?

16. Are We Running Out of Space Above Earth?

17. Can Space Be Infinitely Divided?

18. How Quantum Entanglement Creates Entropy

19. Electrons DO NOT Spin

20. Where Are The Worlds In Many Worlds?

21. How Magnetism Shapes The Universe

22. How An Extreme New Star Could Change All Cosmology

23. How to Communicate Across the Quantum Multiverse

24. How Vacuum Decay Would Destroy The Universe

25. First Detection of Light from Behind a Black Hole

26. Neutron Stars: The Most Extreme Objects in the Universe

27. How Electron Spin Makes Matter Possible

28. Why Magnetic Monopoles SHOULD Exist

29. New Results in Quantum Tunneling vs. The Speed of Light

30. Will Constructor Theory REWRITE Physics?

31. Is ACTION The Most Fundamental Property in Physics?

32. What If Our Understanding of Gravity Is Wrong?

33. Are Black Holes Actually Fuzzballs?

34. What Happens If A Black Hole Hits Earth?

35. How to Find ALIEN Dyson Spheres

1. How To Simulate The Universe With DFT

2. How To Build The Universe in a Computer

3. How Does Gravity Escape A Black Hole?

4. Is The Wave Function The Building Block of Reality?

5. Are Cosmic Strings Cracks in the Universe?

6. Is the Proxima System Our Best Hope For Another Earth?

7. What If Charge is NOT Fundamental?

8. Where Is The Center of The Universe?

9. Could The Universe Be Inside A Black Hole?

10. Does the Universe Create Itself?

11. How the Higgs Mechanism Give Things Mass

12. Space DOES NOT Expand Everywhere

13. What If the Galactic Habitable Zone LIMITS Intelligent Life?

14. The Evolution of the Modern Milky Way Galaxy

15. What If Physics IS NOT Describing Reality?

16. Have We SOLVED The Black Hole Information Paradox with Wormholes?

17. Is Interstellar Travel Impossible?

18. Could We Decode Alien Physics?

19. What If We Live in a Superdeterministic Universe?

20. How Many States Of Matter Are There?

21. What Happens Inside a Proton?

22. What If Dark Energy is a New Quantum Field?

23. What Makes The Strong Force Strong?

24. Could the Higgs Boson Lead Us to Dark Matter?

25. Science of the James Webb Telescope Explained!

26. Why Is 1/137 One of the Greatest Unsolved Problems In Physics?

27. The REAL Possibility of Mapping Alien Planets!

28. The Equation That Explains (Nearly) Everything!

29. Why Did Quantum Entanglement Win the Nobel Prize in Physics?

30. What If Humanity Is Among The First Spacefaring Civilizations?

31. Are there Undiscovered Elements Beyond The Periodic Table?

32. How To See Black Holes By Catching Neutrinos

33. How Are Quasiparticles Different From Particles?

34. How Can Matter Be BOTH Liquid AND Gas?

1. The NEW SCIENCE of Moon Formation

2. What If The Universe Is Math?

3. What If Alien Life Were Silicon-Based?

4. How Earth REALLY Moves Through the Galaxy

5. How Does The Nucleus Hold Together?

6. What If Space And Time Are NOT Real?

7. What’s Your Brain’s Role in Creating Space & Time?

8. What If Black Holes ARE Dark Energy?

9. How Much Of The Universe Can Humanity Ever See?

10. How Far Beyond Earth Could Humanity Spread?

11. NEW DISCOVERY About Supermassive Black Holes Explained!

12. Understanding One of Physics' Most Challenging Topics!

13. Finding Alien Spacecraft with Gravitational Waves

14. Is 'Perpetual Motion' Possible with Superfluids?

15. Can We Move PLANET EARTH Across the Universe?

16. What Supernova Distance Would Trigger Mass Extinction?

17. Did AI Prove Our Proton Model WRONG?

18. Does Axionic Dark Matter Bind Galaxies Together?

19. What If The Speed of Light is NOT CONSTANT?

20. Was the Gravitational Wave Background Finally Discovered?!?

21. Do We Need a NEW Dark Matter Model?

22. Did JWST Discover Dark Matter Stars?

23. What If Space is NOT Empty?

24. What NEW SCIENCE Would We Discover with a Moon Telescope?

25. Are Room Temperature Superconductors IMPOSSIBLE?

26. Are Pilot Wave & Many Worlds THE SAME Theory?

27. The Farthest Star Ever Seen!

28. Why Did Attosecond Physics Win the NOBEL PRIZE?

29. How Will We (Most Likely) Discover Alien Life?

30. What If Gravity is NOT Quantum?

31. Does Many Worlds Explain Quantum Probabilities?

32. What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

33. What If There's A Black Hole Inside The Sun? | Hawking Stars

1. Can Cosmic Voids Solve The Crisis in Cosmology?

2. Does Antimatter Create Anti-Gravity?

3. Did JWST Solve The Mystery of Supermassive Black Hole Origins?

4. What if Singularities DO NOT Exist?

5. EMP Attack: The Real Science of Electromagnetic Pulse

6. Dark Forest: Should We NOT Contact Aliens?

7. Does Space Emerge From A Holographic Boundary?

8. What If Gravity is NOT A Fundamental Force? | Entropic Gravity

9. How Eclipses Revealed Our Solar System

10. Why Is The World Rushing Back To The Moon?

11. What Happens If You Jump Into A Black Hole?

12. Interstellar Expansion WITHOUT Faster Than Light Travel

13. Can Black Holes Unify General Relativity & Quantum Mechanics?

14. How Supernovas Act as Universe’s Largest Particle Accelerators

15. Is It IMPOSSIBLE To Cross The Event Horizon? | Black Hole Firewall Paradox

16. Will The Sun’s Magnetic Field Flip This Year?

17. Can a Particle Be Neither Matter Nor Force?

18. How To Detect Faster Than Light Travel

19. Was Penrose Right? NEW EVIDENCE For Quantum Effects In The Brain

20. Colored Black Holes Explained

21. Can We Create New Elements Beyond the Periodic Table?

22. Is Gravity RANDOM Not Quantum?

23. What If Gravity Isn’t Quantum? New Experiments Explore

24. The NEW PHYSICS of Black Hole Star Capture | Extreme Tidal Disruption Events

25. What If The Universe DID NOT Start With The Big Bang?

26. What If The Cosmological Constant Is NOT Constant?

27. Do Neutron Stars Shine In Dark Matter?

28. How Can Humanity Become a Kardashev Type 1 Civilization?

29. Can Space Time Remember?

30. Does the Planck Length Break E=MC^2?

31. The NEW Ultimate Energy Limit of the Universe

32. What Does An Electron ACTUALLY Look Like?

33. Does Infinity - Infinity = an Electron?

1. How Many Black Holes Are In The Solar System?

2. Does Timescapes DISPROVE Dark Energy?

3. The Crisis in Physics: Why the Higgs Boson Should NOT Exist!

4. The Final Barrier to (Nearly) Infinite Energy

5. Will The Big Bang Happen AGAIN (and Again)?

6. Your DNA Is (Almost Certainly) From Outer Space

7. How Astrophysics Can (LITERALLY) Save the World

8. NEW EVIDENCE: Earth Had Rings (and Might Regain Them)

9. Why Didn’t Antimatter Destroy The Universe? | LHC Breakthrough

10. Quantum Energy Teleportation is REAL!

11. Is There A Simple Solution To The Fermi Paradox?

12. Is Our Model of Dark Energy WRONG? | New 4.2σ Results

13. The Crisis In Physics: Are We Missing 17 Layers of Reality?

14. Are The Fundamental Constants Finely Tuned? | The Naturalness Problem

15. How Did SPACE Shape Your DNA?

16. Why The Multiverse Could Be Real

17. Is There Evidence For a Vast Multiverse?

18. The Most Important Satellite You’ve (Probably) Never Heard Of

19. At What Point Does Spacetime Become Quantum?

20. Why Life on Mars Will DOOM Humanity