> If one can extract practical comparisons between a pair of mathematical formalisms, and map those to differences in observables, I think that qualifies both as physical theories.
That’s fair. I wasn’t aware that anyone had managed to make any potentially observable predictions at this point, so thanks for updating me on that.
(As an observer from the sidelines of physics I’ve always had a fondness for Loop Quantum Gravity / Spin Foams over String Theory(ies) personally, but not for any particularly deep reason that I can point to as justification.)
That’s fair. I wasn’t aware that anyone had managed to make any potentially observable predictions at this point, so thanks for updating me on that.
(As an observer from the sidelines of physics I’ve always had a fondness for Loop Quantum Gravity / Spin Foams over String Theory(ies) personally, but not for any particularly deep reason that I can point to as justification.)