I also find numbers helpful and explanations of abreviations. Please correct:
ATM = the against the mainstream portion of www.badastronomy.com
EU = electric universe = an old idea that refuses to die even though the details have not yet been stated.
EDU = electric discharge of matter = a plume of plasma which becomes a plume of nano size dust as it cools
OOM = Order Of Magnitude. A numerical answer within a power of ten (or so).