No. Go wash your eyes!
Too late (probably).
"Raise your hand if you can see the subliminal message here"
It's an image used to test how stimuli are subconsciously detected (and what goes on in the brain, using functional MRI)
pibbuR who is a subscriber to OneDay university.
PS. I didn't see it, even when being told there was something there. Probably due to my innocent, clean mind. Or my age. DS
PPS. "Do you by chance know, how the professor presented it in the lecture?" One interesting thing: I repeatedly read the question as "Do you by chance know the professor" (I don't) - kind of meaningless (why on earth would you ask me that????). I didn't get the original meaning until 5 minutes ago. DS.