Optical and auditory illusions

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Optical and auditory illusions

#1  Postby newolder » Dec 01, 2018 7:01 pm

Miscellaneous wrote:I am skeptical. There's more than can meet the eye. ...

Especially when motion is involved - do you anticipate a long stay?

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Re: Hello

#2  Postby Evolving » Dec 01, 2018 7:04 pm

newolder wrote:
Image


Wow. Never seen that before. Cool.
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Re: Hello

#3  Postby newolder » Dec 01, 2018 7:13 pm

Yes, there seems to be a few "previously unseen by me" images going around at the mo. This one had a ball inside the torus last time I searched but it seems to have disappeared from this view:
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Re: Hello

#4  Postby Evolving » Dec 01, 2018 7:17 pm

I don't see a ball either. What size was it, and where in the torus was it?

Strangely pleasing, though, even without a ball.
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Re: Hello

#5  Postby newolder » Dec 01, 2018 7:24 pm

Here's a version of the one I was thinking of. The ball is larger, the surface patterns are different, the watermark doesn't help and the effect is not as good. Heigh ho.

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Re: Hello

#6  Postby Thomas Eshuis » Dec 01, 2018 9:37 pm

Actually this last one does seem in motion whereas the previous does not, to me.
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Re: Hello

#7  Postby Evolving » Dec 01, 2018 9:39 pm

Really? I didn't realise it was supposed to look as though it was moving. I only get that effect with post 8.
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Re: Hello

#8  Postby The_Piper » Dec 01, 2018 10:41 pm

All 3 work for me. Hi Miscellaneous
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Re: Hello

#9  Postby LucidFlight » Dec 02, 2018 1:40 am

Those last two — on my phone, nothing; on the big monitor... woah!
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Re: Hello

#10  Postby Evolving » Dec 02, 2018 3:37 pm

LucidFlight wrote:Those last two — on my phone, nothing; on the big monitor... woah!


Unfortunately I haven't got a big monitor. Just a laptop and a phone,and the only one that moves is post 8, and that only on the laptop.

:(
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Re: Hello

#11  Postby newolder » Dec 02, 2018 3:45 pm

Evolving wrote:
LucidFlight wrote:Those last two — on my phone, nothing; on the big monitor... woah!


Unfortunately I haven't got a big monitor. Just a laptop and a phone,and the only one that moves is post 8, and that only on the laptop.

:(

Ambient lighting seems to have an effect. The coloured images only seem to move in a well-lit room. Also, increased viewing distance seems to help. Otherwise, :dunno:
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Re: Hello

#12  Postby newolder » Dec 07, 2018 9:44 am

There's more than meets the eye here too. There are 12 black dots in the image but your brain won't let you see them all at once.
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Re: Hello

#13  Postby Fallible » Dec 07, 2018 10:19 am

Stupid brain!!!
She battled through in every kind of tribulation,
She revelled in adventure and imagination.
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Re: Hello

#14  Postby newolder » Dec 07, 2018 10:57 am

:tehe:
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Re: Hello

#15  Postby newolder » Feb 28, 2020 12:20 pm

Another motion illusion that's new to me...

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Neither cube moves.
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Re: Hello

#16  Postby Hermit » Feb 28, 2020 12:58 pm

Reminds me of a similar effect Shepard scales produce.

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Re: Optical and auditory illusions

#17  Postby archibald » Mar 26, 2020 4:09 am

Image

All the lines running left to right are horizontal.
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Re: Optical and auditory illusions

#18  Postby archibald » Mar 26, 2020 4:12 am

Image

There is no blue in this image.
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Re: Optical and auditory illusions

#19  Postby newolder » Mar 26, 2020 8:06 am

Image

lol
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Re: Optical and auditory illusions

#20  Postby Ironclad » Mar 26, 2020 11:06 am

All these images make me feel slightly ill. I wonder why this is
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