Things I Enjoy About Writing SF

Sitting here at 2:30 am trying to figure out if it would even be possible tosurvive firing the theoretically-possible-to-make-from-off-the-shelf-parts thousands-of-rounds-per-minute multibarrel antimatter-grenade-launcher full auto. (I mean, no-one in their right mind would assemble the thing, much less fire it, even if they could afford the ammunition – but still, I’m curious.)