I enjoyed trying to tell if the circle had a 3d aspect to or not, and also tryin...

troyvit 11 months ago | parent | context | favorite | on: Show HN: Improve cognitive focus in 1 minute

I enjoyed trying to tell if the circle had a 3d aspect to or not, and also trying to tell if it was completely black or actually dark dark gray. I'm not sure if I'm cognitively more focused but I'm going to try it again when I need that focus.