Note: SPOILERS in this video! I'm a quantum researcher who found certain 'confusing' elements of Endgame were actually great from a scientific point of view!
The article that the video talks about is here: http://thelifeofpsi.com/wp-content/uploads/2014/09/Deutsch-Lockwood-1994.pdf
!['Avengers: Endgame' screenwriters explain time travel and more [extended interview]](http://i.ytimg.com/vi/ElH8U8M5Xz8/default.jpg "'Avengers: Endgame' screenwriters explain time travel and more [extended interview]")
