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Bob_Hummer Special user 842 Posts |
Hey everyone,
Awhile ago I stumbled across something neat on this forum. And I thought the idea deserved a wider audience - so I thought I would type it up over here... Firstly - this is an unusual method for an ‘Out Of This World’ type effect. It allows the spectator to freely shuffle the cards - and then deal the cards into any pile they want. Yet you can still show them to be separated into the correct piles. With no sleights… Now - this is one of those effects where the method is cooler than the effect. It is a sickness of mine but I really enjoy these sorts of things. You see the secret is… The Penrose Rectangle - http://mathworld.wolfram.com/Tribox.html The idea is that you colour the top of the rectangle red - and then continue colouring the sides of the rectangle until you reach the inner side. You can then colour the other side a different colour - or just leave it empty (ie white). Then after the cards have being dealt into two piles - you can make the cards appear to be all RED (or WHITE) depending on how you spread the cards (ie left to right - or right to left). Depending on which side you cover the rectangle - the perspective of the rectangle changes. If you cover the right hand side it appears as if you are looking down on the rectangle. And if you cover the left hand side it appears as if you are looking up at the rectangle. And because of the colouring - this will mean the rectangle will appear to be white on the outside (and red on the inside) - or red on the outside (and white on the inside), depending on which side of the rectangle is covered. This is one of those ‘impossible figures’ which changes perspective depending on which side you cover up. A nice optical illusion - very 'MC Escher'. And the more I think about it - the more it reminds me of a 4D object flipping over in a 3D world (at least according to some old sci-fi stories I used to read.) I actually made up these cards awhile ago - and they were fun to play with. But your mileage may vary. I actually showed it to Lubor Fiedler - but he seemed to find it pretty dull. Oh well - I guess you should never meet your heroes! Anyway - this idea is a nice one. And I can say that since it isn’t my idea. It belongs to Amado ‘Sonny’ Narvaez. He is an illustrator for ‘L+L Publishing’ and has done the illustrations for a number of magic books. Including the Elmsley books and the volumes of MINT. I emailed him about the idea to congratulate him on such an inventive method for a card trick. Anyway - I told him that I would try and spread the word on his idea since I think it is kinda’ neat. Lastly - you can find his original description in this thread here - http://www.themagiccafe.com/forums/viewt......tart;=30 He also told me that he used the same principle in ‘The Linking Ring’ magazine for a colour changing rectangle effect. Again - just by simply covering one end or the other. This was back in the sixties… Oh well - maybe some of you will find this fun to think about. Joe PS I originally posted this over on The Second Deal Forum. But - nobody cared for it there. Thought I would share it here as well - on the off chance somebody can make use of the idea. I think it could be adapted for a Mark Setteducatti 'The Magic Show' type automatic/self-working magic book? |
J M Talbot Inner circle 3055 Posts |
Hi Joe. Thanks for sharing that. I have put it on my list of things I want to experiment with. Cool idea.
John |
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