👉 The protofluid, also known as the protoneutron or proton liquid, is a theoretical state of matter that existed in the early universe, just microseconds after the Big Bang. This hypothetical fluid is characterized by a sea of protons and neutrons, with hypothetical "protons" (which are not precisely defined but likely represent a proton-like particle) and possibly other exotic particles. Due to the extreme temperatures and densities, these particles interacted through fundamental forces, but not in the way we observe today, leading to a fluid-like behavior where they could move and reconfigure without forming stable, long-lived structures. This protofluid played a crucial role in the formation of atomic nuclei and the subsequent evolution of the universe, setting the stage for the creation of lighter elements through nuclear fusion in stars.
