Interesting scientifically, sure, just like electrons and protons and Newtonian physics and all sorts of other things. But there's not much mystery to it. I agree with uvdiv, acconrad was almost certainly thinking dark matter/energy.
Or he's been misled by, like, every work of science fiction ever. They almost all portray it as the sort of mysterious, otherworldly stuff he's describing. I've known a lot of people who were kind of disappointed to learn that antiparticles are uncommon, but not that uncommon.
