This Would Happen If We Created a Black-Hole at LHC!

This Would Happen If We Created a Black-Hole at LHC!

Title history
  • This Would Happen If We Created a Black-Hole at LHC! — observed on 20261101-0152 UTC (YouTube)
Formal & Physical Sciences Physics PHPhysicsPHRRelativity physics
🎙 Physics - problems and solutions 👥 56K 📅 December 29, 2025 ⏱ 21 min 👁 6K 📄 science communication 🧭 2026-11-01
Available in: English (current) Français

Keywords

black holeLHChawking radiationinvariant massschwarzschild radius

Summary

The video examines the hypothetical creation of a black hole at the LHC. It explains that particles can form a black hole when sufficient mass is compressed into a small radius, quantified by the Schwarzschild radius. The key concept is invariant mass, which for a multi-particle system includes relative kinetic energy. A demonstration using the Youware platform shows how invariant mass changes with collision angles and energies. For LHC proton-proton collisions, the invariant mass can reach up to 14 TeV, but the actual parton distribution reduces this. Two possible outcomes are considered: if Hawking radiation exists, the black hole would evaporate almost instantly; if not, it would be tiny, interact incredibly weakly, and likely escape Earth’s gravity. Even a stationary black hole would take eons to consume a single proton. Cosmic rays are more energetic but don’t collide head-on, and Earth has survived billions of years. The video concludes that LHC black holes pose no danger. It also contains a promotional segment for the Youware tool used in the demonstration.

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Critical Evaluation

Value of the Information & Strength of the Argument

The video provides a clear, quantitative explanation of why LHC black holes are harmless. It correctly distinguishes invariant mass from rest mass and illustrates the concept with a custom interactive simulation. The argumentation is logically structured: after establishing the maximum possible black hole mass from collisions, it evaluates two scenarios, both of which lead to benign outcomes. The reasoning includes explicit calculations of temperature, power, and evaporation time for micro black holes, and contrasts them with familiar scales. The discussion of cross-sections and interaction probabilities is intuitive and supports the conclusion that any black hole would be nearly inert. The video also addresses potential concerns about cosmic rays, showing that they do not produce head-on collisions with sufficient invariant mass, and that the Earth’s survival is empirical evidence of safety.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is high: the creator references well-known physics principles and explains that Hawking radiation is theoretical and unproven, thereby acknowledging uncertainty. The use of parton distribution functions and cross-sections is accurate. The video includes a promotional segment for the Youware platform, but this is clearly separated as a sponsorship and does not interfere with the physics content. The title is appropriate and aligns with the content. The video does not provide citations to literature, but it is consistent with established physics knowledge. The source material is limited to the Youware simulation link; no external scientific references are given, which could be improved, but the explanations are internally coherent.

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Title / Content Match

The title accurately reflects the content, which explores the hypothetical creation of a black hole at the LHC and concludes it is safe.

Quality & Reliability

8/10

Content is scientifically accurate, explains invariant mass, Hawking radiation, and safety of LHC black holes. Includes a promotional segment for Youware of about 2 minutes.

Key Moments

Cited Sources

Concurring Sources

Contribution & Novelties

The video offers a fresh pedagogical approach by clarifying the often-confused concept of invariant mass and its role in black hole formation. It provides a practical demonstration using a custom-built simulation, making abstract calculations tangible. The key contribution is a clear, step-by-step quantitative argument that even under the most extreme assumptions, LHC black holes cannot harm Earth.

Pour aller plus loin :

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Radar Profile

The radar profile shows high scores in information quantity and quality, reflecting a content-rich and well-explained video. The technical level is moderate, suitable for a general audience with some physics background. Reliability is good due to accurate physics, though the acknowledgement of unproven Hawking radiation tempers it. Overall, the video is informative and trustworthy.

Reliability 8/10