It's time to make your brain 🤯
Stare at the green dot in the center and one or more of the yellow outer dots will disappear. Except the yellow dots didn't go away. It's your 🧠 playing tricks on you.
More details here: https://whyevolutionistrue.com/2014/09/02/why-do-the-dots-disappear/
@henshaw @chartier It’s interesting. I can still see a “ghost” of one of the yellow dots, but it’s otherwise faded.