I use ‘light cone’ to point at ‘something which cannot ever conceivably casually affect anything in our present or future’. I don’t know if the light-cone concept generalizes to the Everett QM branches; if not, the substitute ‘anything which is in principle unknowable’.
I use ‘light cone’ to point at ‘something which cannot ever conceivably casually affect anything in our present or future’. I don’t know if the light-cone concept generalizes to the Everett QM branches; if not, the substitute ‘anything which is in principle unknowable’.