cross-posted from: https://lemm.ee/post/4711771
At least some of the signs were desgined by Anders Sandberg:
I found the image on Bruce Sterling’s Tumblr.
The source is from u/FuckMyHeart’s (reddit user) comment, which has a bit more info:
From the same comment and user:
That’s interesting to think of the warning with knowing that. Thanks for explaining.