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Re:Show HN: Improve cognitive focus in 1 minute by crawancon on Wednesday February 07, 2024 @08:54AM (#39288566)
Neat idea and implementation!

I'm a bit jaded from the internet so I couldn't relax. I was waiting for something to jump out or a big eyeball or something.

the white and black contrast was nice... though it started to mess with my eyes as I stared. maybe awkward for light/strobe sensitive folks?

Re:Show HN: Improve cognitive focus in 1 minute by glandium on Wednesday February 07, 2024 @07:44PM (#39296371)
it messed with my eyes during (there would a white-blue-ish halo around the circle as it retracts), and _after_ (I saw a white circle of the size of the black circle) for a few seconds.