Date: 8/07/2016 16:46:31
From: dv
ID: 919985
Subject: Cylinder illusion

https://www.youtube.com/watch?v=oWfFco7K9v8

This was a finalist for the Illusion of the Year (in Japan). I find it satisfying.

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Date: 8/07/2016 16:50:15
From: ChrispenEvan
ID: 919986
Subject: re: Cylinder illusion

yes, pretty good. all about angles and shit.

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Date: 8/07/2016 16:52:39
From: Peak Warming Man
ID: 919987
Subject: re: Cylinder illusion

ChrispenEvan said:


yes, pretty good. all about angles and shit.

the solution is pretty cool.

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Date: 8/07/2016 16:56:58
From: ChrispenEvan
ID: 919989
Subject: re: Cylinder illusion

http://roundsquaretriangle.com

an earlier version.

:-)

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Date: 8/07/2016 17:00:27
From: diddly-squat
ID: 919992
Subject: re: Cylinder illusion

dv said:


https://www.youtube.com/watch?v=oWfFco7K9v8

This was a finalist for the Illusion of the Year (in Japan). I find it satisfying.

squ-ircle

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Date: 8/07/2016 17:21:08
From: The Rev Dodgson
ID: 919994
Subject: re: Cylinder illusion

Peak Warming Man said:


ChrispenEvan said:

yes, pretty good. all about angles and shit.

the solution is pretty cool.

There’s a solution?

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Date: 8/07/2016 17:26:59
From: Peak Warming Man
ID: 919995
Subject: re: Cylinder illusion

The Rev Dodgson said:


Peak Warming Man said:

ChrispenEvan said:

yes, pretty good. all about angles and shit.

the solution is pretty cool.

There’s a solution?

.

Yeah, the next video to play following the illusion is the answer, well it was on my puter

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Date: 8/07/2016 17:28:18
From: The Rev Dodgson
ID: 919997
Subject: re: Cylinder illusion

Peak Warming Man said:


The Rev Dodgson said:

Peak Warming Man said:

the solution is pretty cool.

There’s a solution?

.

Yeah, the next video to play following the illusion is the answer, well it was on my puter

Thanks for the warning.

I’ve got to work it out for myself.

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Date: 8/07/2016 17:33:48
From: Postpocelipse
ID: 919998
Subject: re: Cylinder illusion

The Rev Dodgson said:


Peak Warming Man said:

The Rev Dodgson said:

There’s a solution?

.

Yeah, the next video to play following the illusion is the answer, well it was on my puter

Thanks for the warning.

I’ve got to work it out for myself.

Would you like an after dinner mint with that compulsion?

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Date: 9/07/2016 14:41:03
From: Ian
ID: 920536
Subject: re: Cylinder illusion

The Rev Dodgson said:


Peak Warming Man said:

The Rev Dodgson said:

There’s a solution?

.

Yeah, the next video to play following the illusion is the answer, well it was on my puter

Thanks for the warning.

I’ve got to work it out for myself.

Processing….

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Date: 9/07/2016 15:21:11
From: Arts
ID: 920538
Subject: re: Cylinder illusion

I guess you can fit a square peg into a round hole.

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Date: 9/07/2016 17:38:16
From: Postpocelipse
ID: 920590
Subject: re: Cylinder illusion

Arts said:


I guess you can fit a square peg into a round hole.

Still can’t fit a broke Bundy into a decorating Peg……….

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Date: 10/07/2016 03:08:18
From: mollwollfumble
ID: 920892
Subject: re: Cylinder illusion

dv said:


https://www.youtube.com/watch?v=oWfFco7K9v8

This was a finalist for the Illusion of the Year (in Japan). I find it satisfying.


Brilliant, I love it.

Until the start of this week I thought I had discovered a new optical illusion which I called the tilting train illusion. Then I realised that the illusion was an illusion, it wasn’t an illusion at all.

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Date: 10/07/2016 05:34:02
From: dv
ID: 920897
Subject: re: Cylinder illusion

mollwollfumble said:


dv said:

https://www.youtube.com/watch?v=oWfFco7K9v8

This was a finalist for the Illusion of the Year (in Japan). I find it satisfying.


Brilliant, I love it.

Until the start of this week I thought I had discovered a new optical illusion which I called the tilting train illusion. Then I realised that the illusion was an illusion, it wasn’t an illusion at all.

Can you be more specific?

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Date: 10/07/2016 13:02:20
From: mollwollfumble
ID: 920959
Subject: re: Cylinder illusion

dv said:


mollwollfumble said:

dv said:

https://www.youtube.com/watch?v=oWfFco7K9v8

This was a finalist for the Illusion of the Year (in Japan). I find it satisfying.


Brilliant, I love it.

Until the start of this week I thought I had discovered a new optical illusion which I called the tilting train illusion. Then I realised that the illusion was an illusion, it wasn’t an illusion at all.

Can you be more specific?


LOL. Thank’s for responding. :-)

Observing train tracks to the left of the Hume Highway heading north towards Albury I had noticed that the rails appeared to placed with the far rail appearing to be much higher than the near rail, compared to where the horizon was, so that a train on those rails would appear to be strongly tilted towards the observer at an angle to the vertical of about 30 degrees or so.

Yes, well,

Next time (earlier this week) I had another look at those same train tracks I realised that what I was looking at was not one set of train tracks but two, and that the further train tracks were indeed higher than the nearer ones. So. No illusion.

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Date: 10/07/2016 13:52:23
From: mollwollfumble
ID: 920967
Subject: re: Cylinder illusion

dv said:


mollwollfumble said:

Brilliant, I love it.

Until the start of this week I thought I had discovered a new optical illusion which I called the tilting train illusion. Then I realised that the illusion was an illusion, it wasn’t an illusion at all.

Can you be more specific?


The following image shows the positions of the tracks as seen from an observer top right. The train is not sitting on the tracks when the illusion is viewed.

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