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What If a Black Hole Opened at CERN?

What If | September 14, 2025



Let’s roll back a few days. This is CERN, the Nuclear Research laboratory on the border of France and Switzerland. It features the most powerful particle accelerator on Earth, the Large Hadron Collider, or LHC. What does it do? It accelerates and collides particles at 99.99% of the speed of light. And maybe, it could produce the very first lab-grown black hole. How big would that black hole be? What precautions would you need to take not to get sucked in it? And how long would it take it to destroy the entire planet?

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Comments

This post currently has 22 comments.

  1. @davidgrisez

    September 14, 2025 at 1:48 am

    The Large Hadron Collider will never produce an earth destroying black hole. About the worst thing that can happen to the Large Hadron Collider is a magnetic quench in one or more of the superconducting magnets. This has already happened when the Large Hadron Collider was first put into service. The worst that happened was a section of superconducting magnets were badly damaged and needed considerable repair work. However the only people that noticed the malfunction event were the people inside the Large Hadron Collider Control Room. No one in the nearby city of Geneva knew that anything bad happened to the Large Hadron Collider.

  2. @DoozerStuff

    September 14, 2025 at 1:48 am

    Ain't gonna happen, midas touch more likely to happen than a black hole or maybe even trigger dimension collapse… you need lots and lots of mass, talking stellar amounts…

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