AMA | October 2024

12432.826 - 12450.467 Sean Carroll

And it's going to be the case that if one of those components moves slower than the speed of light, then another one moves faster. Or if one is positive energy, another one is negative energy. Things like that. So I'm not going through all the different possibilities, but just to let you know that there are a lot of constraints in particle physics on what you can possibly do.