Popular Post octave Posted March 31, 2021 Popular Post Share Posted March 31, 2021 I have always found optical illusions fascinating because as well as being mind blowing they also give me an insight into how my brain (my second favorite organ) functions. The Illusion Only Some People Can See 3 1 1 Link to comment Share on other sites More sharing options...
willedoo Posted April 1, 2021 Share Posted April 1, 2021 That was a very good presentation. I tried making one out of cardboard with no success. There might be a bit more to the construction required than my crude effort. It's fascinating stuff; I always liked the drawings of M.C. Escher and then there was that three pronged thing. 1 Link to comment Share on other sites More sharing options...
Old Koreelah Posted April 1, 2021 Share Posted April 1, 2021 Octave I must admit to not watching that video right thru in one session; I had to take a couple of breaks to give my brain a chance to catch up. Link to comment Share on other sites More sharing options...
octave Posted April 1, 2021 Author Share Posted April 1, 2021 9 minutes ago, Old Koreelah said: Octave I must admit to not watching that video right thru in one session; I had to take a couple of breaks to give my brain a chance to catch up. I know what you mean! Link to comment Share on other sites More sharing options...
willedoo Posted April 2, 2021 Share Posted April 2, 2021 The author of the video said he also had to get the lighting right to get the effect of the revolving not quite rectangle thing. Link to comment Share on other sites More sharing options...
nomadpete Posted March 21, 2022 Share Posted March 21, 2022 What one 'sees' is data supplied by erratic scanning of eyeballs, then processed by the brain to arrange a composite image. Unfortunately the brain is sometimes influenced by what one is already thinking about. 2 Link to comment Share on other sites More sharing options...
old man emu Posted March 21, 2022 Share Posted March 21, 2022 There is an outdoor optical illusion near Bankstown Airport. Use Google maps to find Camofleur Reserve Bankstown and use satellite view to get down onto the road. If you move along the road (by clicking on the arrows in the circles) you will see it change shape. Originally there was a picture of a Spitfire in a hangar. Link to comment Share on other sites More sharing options...
onetrack Posted March 22, 2022 Share Posted March 22, 2022 (edited) The Penrose Impossible Triangle is a large sculpture mounted in the centre of a roundabout in East Perth. It's 13.5M in length. https://mapio.net/pic/p-17819147/ https://upload.wikimedia.org/wikipedia/commons/3/38/Perth_Impossible_Triangle.jpg Edited March 22, 2022 by onetrack 3 Link to comment Share on other sites More sharing options...
Marty_d Posted March 23, 2022 Share Posted March 23, 2022 How many crashes has that caused? Link to comment Share on other sites More sharing options...
rgmwa Posted March 23, 2022 Share Posted March 23, 2022 26 minutes ago, Marty_d said: How many crashes has that caused? I've often driven past it and never realised what it was, although wondered what it was supposed to be. Just looks like a wonky U unless you're at the right spot. 1 Link to comment Share on other sites More sharing options...
onetrack Posted March 23, 2022 Share Posted March 23, 2022 3 hours ago, Marty_d said: How many crashes has that caused? No more than the normal number of crashes I'd expect - as the number of road users who even understand the basics of roundabout operation, seems pretty low. It doesn't really grab your attention until you're on foot, and walking around it. Link to comment Share on other sites More sharing options...
Bruce Tuncks Posted March 24, 2022 Share Posted March 24, 2022 I'm a skeptic. I went to a hypnotism show and didn't believe any of it. I would reckon the illusion would not work in reality but all things are possible on video. Link to comment Share on other sites More sharing options...
Popular Post nomadpete Posted May 21, 2022 Popular Post Share Posted May 21, 2022 Back to topic - images. I need therapy. It took me ten minutes of staring at this picture before i suddenly saw the people. In a Pro Hart way. 3 4 Link to comment Share on other sites More sharing options...
Marty_d Posted May 21, 2022 Share Posted May 21, 2022 I see people... the lower half of them, anyway! 3 1 Link to comment Share on other sites More sharing options...
Jerry_Atrick Posted May 21, 2022 Share Posted May 21, 2022 And of those I see, it makes me very happy 1 Link to comment Share on other sites More sharing options...
nomadpete Posted May 21, 2022 Share Posted May 21, 2022 Once I managed to see the people, it took me ages to revert to seeing my first impression. But that was worth the effort 1 Link to comment Share on other sites More sharing options...
Marty_d Posted May 22, 2022 Share Posted May 22, 2022 5 hours ago, nomadpete said: Once I managed to see the people, it took me ages to revert to seeing my first impression. But that was worth the effort It's the internet, Peter. You can see high definition images of those whenever you want. 1 Link to comment Share on other sites More sharing options...
willedoo Posted May 22, 2022 Share Posted May 22, 2022 It's the right brain/left brain thing. When the alternate views of the image appear, you can almost physically feel the shift in thought to the other hemisphere of the brain. Artists spend more time using the right side of the brain, accountants use the left. 1 Link to comment Share on other sites More sharing options...
nomadpete Posted May 22, 2022 Share Posted May 22, 2022 1 hour ago, Marty_d said: It's the internet, Peter. You can see high definition images of those whenever you want. It's OK Marty. I am more pleased by memories of real ones that I have had the privilege of viewing 😉 2 Link to comment Share on other sites More sharing options...
Popular Post red750 Posted May 22, 2022 Popular Post Share Posted May 22, 2022 As we are discussing artists and left/right brain, check out this guy. Yes it is speeded up, but this is almost beyond belief. how does he do it.mp4 3 2 Link to comment Share on other sites More sharing options...
nomadpete Posted May 22, 2022 Share Posted May 22, 2022 1 hour ago, willedoo said: Artists spend more time using the right side of the brain, accountants use the left. I once had a creative accountant doing my tax returns. He was really GOOD. Are you saying that he was using 100% of his brain? So a 'normal' accountant only uses one hemisphere - and they should halve their hourly charges. 4 Link to comment Share on other sites More sharing options...
willedoo Posted May 22, 2022 Share Posted May 22, 2022 One excellent book is 'Drawing on The Right Side of The Brain' by Betty Edwards. There are right brain people who have a natural talent for art, and left brain people who are terrible at it. This book benefits both, but is especially good at teaching left brain people to train the right side of the brain to enable them to draw well. In the book, she gives examples of before and after art attempts by students, as well as examples by famous artists. One memorable one is a sketch by Vincent Van Gogh. The 'before' sketch was terrible and it was obvious he had no natural talent, and coudn't draw to save his life (or ear). The next Van Gogh sketch example was dated about 12 months later, and the difference was incredible. It was of the high standard that carried on through his brief but prolific career. The author's point was that anyone can learn to draw if they do it the 'right' way. 2 Link to comment Share on other sites More sharing options...
red750 Posted August 13, 2022 Share Posted August 13, 2022 3 1 Link to comment Share on other sites More sharing options...
onetrack Posted August 13, 2022 Share Posted August 13, 2022 Nope, I can only see a set of upside-down stairs, no matter how long I look at the picture. Link to comment Share on other sites More sharing options...
facthunter Posted August 13, 2022 Share Posted August 13, 2022 Blink and see if it helps. Your brain is very involved in what you "see" and fills in stuff to makes sense of it. In this case there's two possibilities of about equal validity. Nev Link to comment Share on other sites More sharing options...
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