Stare at the red dot on this woman’s nose for 30 seconds, then look at a white wall and blink.
https://www.futilitycloset.com/2020/02/ ... -in-color/
Ghosts in Color
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Disallowed: religion, race, politics, war and disrespect toward others.
Allowed: history, science(!), computers, sports, movies, careers, art, music, relationships and the ten million other topics in our lives.