Navigate Select ESC Close

How Did a Universe Come from NOTHING?

2025-09-06 Science & Technology
267.4k
9.7k
3.3k
Arvin Ash
Arvin Ash
1.1m subscribers

Physics Models Explaining Existence: Arising From Nothing

Discover how modern physics explains the existence of our universe, even if it arose from absolute 'nothing.' This analysis cuts through complex cosmology to reveal the leading self-creation theories grounded in empirical laws.

Short Summary

  • Zero total energy permits spontaneous quantum creation without violating conservation laws.
  • The physical vacuum is inherently unstable, constantly teeming with virtual particles.
  • Cosmic inflation provides the mechanism for a minuscule fluctuation to rapidly generate our vast cosmos.

The video employs a Socratic approach to survey the best scientific ideas derived from known physics explaining how the universe could emerge from a state approximating "nothing." Understanding these concepts requires redefining nothingness as a quantum realm rather than a complete void.

Unlock all features

FREE: Get instant access to 10 AI summaries, chats, or transcripts per day.

Description

Thanks again to our sponsor CyberghostVPN,. You can take advantage of an 84% discount, i.e. $2.03 per month + 4 months free by clicking this link: https://cyberghostvpn.com/ArvinAsh TALK TO ARVIN https://www.patreon.com/arvinash FURTHER VIEWING Why do laws of physics exist? https://youtu.be/JgYEegLu2-s Eternal Inflation: https://youtu.be/nziePav5OMg Quantum Creation: https://youtu.be/v8-oocxPwlM What happened to all the antimatter? https://youtu.be/h9d_HimHmG0 CHAPTERS 0:00 What is Nothing 4:55 Nothing in terms of entropy 6:20 Universe from quantum fluctuation 6:44 Cosmic Inflation 8:18 The elephant in the room: antimatter 11:56 Big bounce in Loop Quantum Gravity 12:17 Penrose Conformal Cyclic Cosmology 14:19 Arvin's take SUMMARY Why is there something rather than nothing? Using a Socratic approach, the video surveys the best scientific ideas from known physics for how a universe could arise from literally “nothing.” What “nothing” means in physics: Absolute nothingness (no matter, energy, space, or time) isn’t what modern physics calls “empty space.” In quantum mechanics even the vacuum teems with quantum fluctuations—virtual particle–antiparticle pairs that appear and annihilate. This activity follows from intrinsic quantum uncertainty; the math does not require an external time parameter for these fluctuations. Energy conservation and zero total energy: Creation from “nothing” needn’t violate conservation if the universe’s total energy is zero. Positive energy in matter and radiation can be canceled by negative gravitational energy (it takes positive energy to pull masses apart, so bound systems can be viewed as having negative energy). Stephen Hawking: matter is positive, gravity is negative, and they can sum to zero. If so, quantum physics could allow spontaneous creation—“borrowing” and “repaying” with no net debt. As Filippenko and Pasachoff note, quantum theory offers a natural route for energy to “come out of nothing”. Entropy/statistics argument: A universe with absolute nothing is a unique low-entropy state, whereas there are astronomically many higher-entropy “something” states. Because systems tend toward higher entropy, “something” is far more likely than “nothing.” Universe as a quantum fluctuation: Edward Tryon suggested the universe is “one of those things that happens from time to time.” Cosmic inflation: A minuscule seed could undergo exponential expansion (effectively faster than light) in a fraction of a second [5]. Inflation explains the observed size, uniformity, and flatness of the universe, and is supported by the cosmic microwave background and the distribution of galaxies. Alan Guth called the universe “the ultimate free lunch”: positive and negative energies balance as expansion “borrows” from gravity. The antimatter problem: Quantum processes typically create equal matter and antimatter, which annihilate. Yet our universe is matter-dominated. The leading view: almost all pairs annihilated into radiation, leaving a tiny excess of matter—about one particle per billion, inferred from the ~billion photons per matter particle. This leftover built all structures. How the imbalance arose—Sakharov conditions (1967): Reactions that change the number of baryons (matter particles). C, CP (matter/antimatter) violation—a slight bias so they don’t behave identically. Departure from thermal equilibrium (rapid expansion/cooling) to “freeze in” the tiny excess. As the universe cooled, nearly all pairs annihilated, but the surplus remained. Is a “free” universe really allowed? Sean Carroll: you can create a compact, self-contained universe without any net energy. Hawking & Mlodinow: “Spontaneous creation is the reason there is something rather than nothing… It is not necessary to invoke God to set the Universe going”. In this view, the laws of physics can trigger creation. Did the universe have a beginning? Maybe not: Big Bounce (loop quantum gravity): a prior Big Crunch rebounds into our Big Bang. Conformal Cyclic Cosmology (Roger Penrose): an empty, expanded far future can be reinterpreted as the next Big Bang; claimed “Hawking Points” in the CMB as hints of a previous aeon, though this evidence is strongly contested. Expanding space, CMB, and light-element abundances—strongly support the Big Bang picture: the universe was once much hotter and smaller, starting ~13.8 billion years ago. This suggests a beginning of our known universe; we currently lack observational evidence of any “before.” #bigbang #quantumphysics Bottom line: The universe likely emerged from “nothing,” where quantum rules still apply. Because pure nothingness is unstable, and net energy can be zero, existence can spontaneously arise—via a quantum fluctuation or tunneling event followed by inflation. This is not proven, but it’s the most favored scientific explanation and does not require an external or supernatural cause; the universe can create itself according to the laws of physics.

Top Comments (10)

@A_GoogIe_User 2025-09-06

WHY are there quantum field to begin with ?

1.1k 409 replies
@cyro3204 2025-09-06

Absolute nothingness means that even the possibility of 'something' doesn't exist.

548 107 replies
@GregoryCarnegie 2025-09-06

I used to find it strange that the universe could have come from nothing, but then I realised that the alternative is that it always existed, which, arguably, is equally as weird.

304 52 replies
@ManBeyondWorld 2025-09-08

Empty room and No room are different.

252 13 replies
@PureActuality 2025-09-07

I must be living in the twilight zone because nothing is apparently something.

77 4 replies
@primeobjective5469 2025-09-07

So, redefine "nothing" as something (quantum fields), then declare everything came from "nothing".

65 4 replies
@ArvinAsh 2025-09-05

Many Thanks to our sponsor CyberghostVPN. You can take advantage of an 84% discount, i.e. $2.03 per month + 4 months free by clicking this link: https://cyberghostvpn.com/ArvinAsh

42 48 replies
@dashcrown8954 2025-09-13

A lot of people are asking in the comments "But why did an empty universe even exist in the first place", the only answer we have for that is "I don't know". This video is talking about the physics side of things that we can answer, not the philosophical/religious side. But the question of "why does anything exist at all" can't be proven, even if it's the more enticing question to ask.

14 6 replies
@brij_k_t 2025-09-09

I subscribed your channel when it was around 40k subscribers, now seeing you crossing 1M+ subscribers. It's really good to see you growing. Your content is really good, you have a long way to go🙌

11
@TheRightGuy1 2025-09-10

I love how they try and make a computer imagine knowing that nothing is literally non-comprehendible

9

Unlock the Data Inside
Turn Videos into Knowledge

  • Get FREE 10/day: transcripts, summaries, chats
  • Chat with videos, export text & PDF
  • $1 free API credit for RAG, chatbots & research

Free forever plan • All features unlocked

App screenshot