Some scientists have come up with a theory that suggests there is no dark matter, that the universe is not expanding due to it but that we’re observing a wave passing through the cosmos and the associated compression/expansion that naturally accompanies waves. But, I also have a theory. It’s based on the fact that my laptop network card stopped working, my desktop PC broke down, my work laptop then went kaput, attempts to log in to my work network on another PC failed and IT support exhausted all their knowledge trying to get me connected. I am Dark Matter.