Hollow Face Mask Effect Explained(2)

[cnith2]

I can see the hollow faces with both lights.  I guess this was a bad version of hollowness...?

[zeplinair]

The problem is you are viewing complex vs simple shading. At no point do I see see the local rules of highlight vs shading contradicting what looks convex. the comparison of fruit crate vs face mask is apples to oranges. In the Charlie Chaplin mask examples, I find the illusion works just as well, and the timing of the destruction of illusion the same when the face is covered leaving the hat brim above only.

[zeplinair]

The problem is you are viewing complex vs simple shading. At no point do I see see the local rules of highlight vs shading contradicting what looks convex. the comparison of fruit crate vs face mask is apples to oranges. In the Charlie Chaplin mask examples, I find the illusion works just as well, and the timing of the destruction of illusion the same when the face is covered leaving the hat brim above only.

[pepperplume]

thats some crazy stuff yo!

[clock3645]

Sesame street!! Below.. Above... Below.... Above ...

Altough Awsome video!! :D

[hceggeberth]

The voice and finger belong to Prof Richard Gregory - British psychologist and Professor of Neuropsychology. He died last year (2010). Often used by British TV to explain basic psychology. Expert on optical illusions. Cool guy

[TheRioterKiss]

creepy/awesome!

[bloodround99]

This Guy sounds like the guy from james bond lmao james the light is now below and now above good spionage.

[thugdoutDUNN]

the voice is probably just someone in the production crew reminding him to say that the light is "above" might have done a few mistake takes and needed a reminder im 98% that the voice just said above.

[t0ysoldier18]

This man has absolutely no sense of tone in his voice, but it's such a smart and genious experiment

[pantomime04]

@peetabix i think its said above and below

[elpresidio]

Is there a grandfather clock I hear in the room in the background?

[69codyb]

i heard the voice like i think it said hello?!

[peetabix]

Does anyone else hear a whispering voice at 1:23? Spooky.

[blackflytr]

@peetabix he just take a breath

[theleequa]

@peetabix :  yes...creepy!

[hanqing1988]

amazing！