Hey Nima! Couple of points. (1) the fact real dS space has a boundary that permits all sorts of theories is probably a good thing. If you believe in causal closure of physics, then this sort of boundary is really the only way one can believe in any kind of genuine "free will". (q.v. Scott Aaronson's musings.) (2) To help get some sort of theory for this then surely locality has to be modified. Cluster decomposition applies only in effective field theories and orthodox QM. But (isn't it obvious?) spacetime is infested with entanglement, which if one takes ER=EPR seriously implies spacetime is highly non-local.
On the wild brink of the chasm of sanity, where algebra, geometry and combinatorics conspire to produce results seen in physical experiments on scattering, polytopes hove into view through the mists of ignorance. And nobody remembers ordering that.
Thanks for sharing this, Arkani-Hamed is one of the most charismatic lecturers and communicators, it is a real pleasure to watch his lectures
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Hey Nima! Couple of points. (1) the fact real dS space has a boundary that permits all sorts of theories is probably a good thing. If you believe in causal closure of physics, then this sort of boundary is really the only way one can believe in any kind of genuine "free will". (q.v. Scott Aaronson's musings.) (2) To help get some sort of theory for this then surely locality has to be modified. Cluster decomposition applies only in effective field theories and orthodox QM. But (isn't it obvious?) spacetime is infested with entanglement, which if one takes ER=EPR seriously implies spacetime is highly non-local.
On the wild brink of the chasm of sanity, where algebra, geometry and combinatorics conspire to produce results seen in physical experiments on scattering, polytopes hove into view through the mists of ignorance. And nobody remembers ordering that.
So maybe there's no interior to black holes? 🤷♂️
basically nothing can exist, not even nothing, for that matter. nothing=0 and '0' can be a result of probably infinite amount of equations
What do you like to eat? 🤔
You don’t have a mom to tell you these things? 🤭 my mom was always telling how and what to wear .. well, even you don’t listen to them 😅
Why don’t you wear a hat? 👲