I saw Mjolinor's signature and thought something hanky is going on. So I dropped it into a Powerskull window and got his email address. Please teach me the opposite of this snippet so I may encode/decode things as such.
[string](0..33|%{[char][int](46+("686552495351636652556262185355647068516270555358646562655775 0645570").substring(($_*2),2))})-replace " "
I'm also interested in learning the mechanics of what it is doing and how.