Micro black holes, millions / billions of years?

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Micro black holes, if created at the LHC, are theorized to evaporate almost immediately, making them unlikely to pose any danger over millions or billions of years. Discussions suggest that even if a micro black hole were to exist within the Earth, its effects would depend on its position; if at the gravitational center, it would remain stable, while an off-center position could lead to significant geological changes. However, the consensus is that such black holes would not last long enough to cause harm. The conversation also touches on the improbability of producing stable black holes with current technology, emphasizing that the energies required far exceed those achievable at the LHC. Overall, the threat from micro black holes remains largely theoretical and not a concern for Earth.
  • #31
Another scenario is black holes created at big bang time that have evaporated down to asteroid size.
 
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  • #32
Ah, I see that our LHC friend had a "small problem" technique I allows me to
pass a link (in French, unable to translate here, sorry!)

http://www.futura-sciences.com/magazines/matiere/infos/actu/d/cern-redemarage-lhc-retarde-suite-court-circuit-57624/
 

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