1995: M-Theory
1997: Matrix string theory
1999: The Matrix (development began 1994)
@TheReturnOfPEB watch the spacetime ball under the cup: 3 + 1 is now 1 + 3... Ta-da!
I'd like to see the author of that highly questionable paper even try to account for General Relativity in such a scheme.
Meanwhile, #StringTheory says: "Nah, 57 1/2 dimensions is better"