Oddbean new post about login | logout here we go https://i.nostr.build/IEqSE4qQ5pxKI9Em.jpg
could have been a nice day
I still conclude it's physics, not chemics.
very likely physics in this particular case. here's some key facts... direction of lines (about a dozen i could see, not all in frame) heading toward direction of an airport no criss cross cooler air at the ground today, and likely a bit cooler at altitude. low/mid humidity
In Germany it's (to some extend) Bundeswehr planes.
