It’s important to note the distinction between being able to model antiparticles as the time-reverses versions of their partners, and then actually “moving back

It’s important to note the distinction between being able to model antiparticles as the time-reverses versions of their partners, and then actually “moving backwards through time” as it were. It’s not as though a sample of anti-hydrogen experiences a reverse or cause and effect. Discussion: https://physics.stackexchange.com/questions/391/is-anti-matter-matter-going-backwards-in-time https://physics.stackexchange.com/questions/391/is-anti-matt...