Optical illusions of the year

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Grumble
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Optical illusions of the year

Post by Grumble » Fri Dec 20, 2019 10:28 pm

http://illusionoftheyear.com/cat/top-10-finalists/2019/

Have a look at some of these, optical illusions always fascinate, I’ve never seen one that rotates in both directions around horizontal and vertical axes before.
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mikeh
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Re: Optical illusions of the year

Post by mikeh » Fri Dec 20, 2019 10:48 pm

Very cool.

On the second one, I got yellow dots going left to right, but couldn't see red and green dots going from top to bottom.

Why is this?

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Boustrophedon
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Re: Optical illusions of the year

Post by Boustrophedon » Sat Dec 21, 2019 12:09 am

“This wasn't just plain terrible, this was fancy terrible. This was terrible with raisins in it."
Dorothy Parker.

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GeenDienst
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Re: Optical illusions of the year

Post by GeenDienst » Sat Dec 21, 2019 12:34 am

I'm blind as a very short sighted bat. With my glasses on and phone a couple of feet away I could only see yellow. Glasses off and a few cm away I could oly see red and green


mikeh wrote:
Fri Dec 20, 2019 10:48 pm
Very cool.

On the second one, I got yellow dots going left to right, but couldn't see red and green dots going from top to bottom.

Why is this?
Just tell 'em I'm broke and don't come round here no more.

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jaap
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Re: Optical illusions of the year

Post by jaap » Sat Dec 21, 2019 9:26 am

The Chunder Thunder Illusion (direct link) is brilliant.
Warning - it might be seizure inducing...

mikeh
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Re: Optical illusions of the year

Post by mikeh » Sat Dec 21, 2019 1:38 pm

GeenDienst wrote:
Sat Dec 21, 2019 12:34 am
I'm blind as a very short sighted bat. With my glasses on and phone a couple of feet away I could only see yellow. Glasses off and a few cm away I could oly see red and green


mikeh wrote:
Fri Dec 20, 2019 10:48 pm
Very cool.

On the second one, I got yellow dots going left to right, but couldn't see red and green dots going from top to bottom.

Why is this?
I'm also as blind as a Dienst. Maybe I would have the same results. I haven't tried yet.

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GeenDienst
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Re: Optical illusions of the year

Post by GeenDienst » Sat Dec 21, 2019 2:28 pm

mikeh wrote:
Sat Dec 21, 2019 1:38 pm
GeenDienst wrote:
Sat Dec 21, 2019 12:34 am
I'm blind as a very short sighted bat. With my glasses on and phone a couple of feet away I could only see yellow. Glasses off and a few cm away I could oly see red and green


mikeh wrote:
Fri Dec 20, 2019 10:48 pm
Very cool.

On the second one, I got yellow dots going left to right, but couldn't see red and green dots going from top to bottom.

Why is this?
I'm also as blind as a Dienst. Maybe I would have the same results. I haven't tried yet.
I can make it work as advertised on my proper computer screen, if I kind of blur my vision (even more) as I try to make it switch. I wonder if that one has its tiny dots interacting with the different screens in some way.

I like the one where the dot is going round, bamboozled by the circles going round that.
Just tell 'em I'm broke and don't come round here no more.

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Grumble
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Re: Optical illusions of the year

Post by Grumble » Sat Dec 21, 2019 3:39 pm

mikeh wrote:
Fri Dec 20, 2019 10:48 pm
Very cool.

On the second one, I got yellow dots going left to right, but couldn't see red and green dots going from top to bottom.

Why is this?
If you look at the sides then you can switch to seeing lines going down, if you look at top or bottom you can switch to seeing lines going left-right.
Would you like your chakras realigned?

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Brightonian
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Re: Optical illusions of the year

Post by Brightonian » Sun Sep 05, 2021 2:40 pm

IMG_20210905_153754.jpg
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IvanV
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Re: Optical illusions of the year

Post by IvanV » Sun Sep 05, 2021 3:40 pm

The Ames' Window Illusion, 50 years old this year, remains one of the very best. Look what goes on later, around 3m and 4m, when he sticks a match box to it, and then fixes a ruler through the window. It becomes quite mindboggling. Even though the guy has already shown you it is just a flat piece of cardboard, with a vertical pin so you can make it rotate around a vertical axis on a turntable, you just can't make yourself see the reality of what is happening. At least, I can't.

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Re: Optical illusions of the year

Post by Brightonian » Thu Dec 16, 2021 11:24 pm

Lifted from the Daily Star who lifted it from Reddit:
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hakwright
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Re: Optical illusions of the year

Post by hakwright » Fri Dec 17, 2021 12:57 pm

An oldie but goldie - but a nice way of revisiting it:

https://i.kym-cdn.com/photos/images/new ... 27/203.gif

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bjn
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Re: Optical illusions of the year

Post by bjn » Sat Dec 18, 2021 1:33 pm

IvanV wrote:
Sun Sep 05, 2021 3:40 pm
The Ames' Window Illusion, 50 years old this year, remains one of the very best. Look what goes on later, around 3m and 4m, when he sticks a match box to it, and then fixes a ruler through the window. It becomes quite mindboggling. Even though the guy has already shown you it is just a flat piece of cardboard, with a vertical pin so you can make it rotate around a vertical axis on a turntable, you just can't make yourself see the reality of what is happening. At least, I can't.
Two things.

1 - that is an ace illusion, the ruler magically cutting through the window was the best bit,

2 - the clip is from The Curiosity Show, a science/education program for kids made in Australia when I was growing up. It was my favourite thing ever at the time (even more than Star Wars), I would watch every episode that I could. It helped make me into the nerd I am today.

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