A particle mace sounds like a jolly fancy weapon, if a bit impractical. All those particles, roiling around, obeying only their own subatomic whims.
I was going to run a little further with that intro but it’s a long while since I studied the sciences, and apparently years of reading xkcd has equipped me very poorly for understanding articles about the behaviour of particles. So that’s all you get from me.
However, from a man named Andy Wallace you get the game of the same name: a 1-4 player arena shooter affair with a physics engine instead of boring old guns.