I've just reviewed all pending wallpapers. Sorry for the delay, unfortunately at the time we are in lack of moderators.
Read this. Basically only upload quality wallpapers and sooner or later I'll make you one.
Pretty neat gadget :+1: :sunglasses: Mercury Arc Rectifier https://www.youtube.com/watch?time_continue=1&v=5a5lkharews
It definitely looks cool. I have no idea what's it made for though :sweat_smile: