Beyond #Schrodinger's #Cat: the #paradox of Wigner's Friend [3rd in a #series]

❛❛ When exactly does the collapse of the #photon #superposition occur? Was it when the #friend had finished his #experiment? Or when the #information of his result enters Wigner's #consciousness? ❜❜ 2:45/5-min.

🔗 https://www.youtube.com/watch?v=5AodzEpvzZw 2019 May 29
🔗 https://Wikipedia.org/wiki/Wigner%27s_friend … #WignersFriend
🔗 https://Wikipedia.org/wiki/Eugene_Wigner … #EugeneWigner

#KronoSeries #QuantumObserver #Wigner #quantumphysics #science #Kronodon