How to Contact Yourself in a Parallel Universe

If the universe is limitless, then it's possibly home to an infinite amount of realities that are parallel to each other because there's just so much space. When president Musk takes office he's going to make a space travel. We can do smart things like we can do smart stuff. It's all theoretical science, but it's fun to think about. How did I get this space for starters? Well, just the de Broglie wavelength. You got a shant three times on wood.