LHC’s Lack of Black Holes Rules Out Some Versions of String Theory | 80beats | Discover Magazine

LHC’s Lack of Black Holes Rules Out Some Versions of String Theory | 80beats | Discover Magazine
You know those black holes the Large Hadron Collider was going to make and kill us all? Well, not only are we still here, but the LHC doesn’t seem to be making black holes at all—their decay signature is markedly absent from the data collected so far.

While that is good for those of us who want to keep living (we jest—the hypothetical micro black holes posed no danger), it’s also helping physicists make up their minds about how many dimensions there are in our universe. The lack of black holes at the LHC nullifies some of the wackier versions of string theory which depend on multiple dimensions.