From @rainmaker1973 on Twitter: "Your visual system constantly adapts to all the external stimuli, and this is why if you stare at this picture, it will slowly disappear"
Doesn't work for me!
Previously: Optillusions.
From @rainmaker1973 on Twitter: "Your visual system constantly adapts to all the external stimuli, and this is why if you stare at this picture, it will slowly disappear"
Doesn't work for me!
Previously: Optillusions.