Off topic: Activate your brain on Monday morning :-) Thread poster: Dees
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Dees 
United Kingdom
Local time: 20:23
English to French
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| Silvia Montufo Urquízar (X)
Spain
Local time: 21:23
French to Spanish
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Amazing! Surely there must be a trick, but I can't find it!
| | | | | Tell me the trick! | Mar 20, 2006 |
This is intriguing - and weird. I cannot find the trick. Can anyone, please!!!!!????
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I knew this but I still find it scary
I simply don't understand "how they do"...
Sylvain 
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Kirill Semenov
Ukraine
Local time: 22:23
Member (2004)
English to Russian
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| Your `flower' symbol? The mystery unveiled... ;-) | Mar 20, 2006 |
Now, people, you just need to know your math a bit to unveil the trick...
Any 2-digital number - say, AB (with A and B be digits) - is in fact 10*A+B.
Then the sum of the digits is A+B.
When you substract, you have:
10A + B - (A+B) = 9 * A
So, with A being a digit (1 to 9), we have only 9 possible choices: 9, 18, 27... up to 81.
As you may see in the table on the site, EVERY number divisible by 9 and less than 82 has t... See more Now, people, you just need to know your math a bit to unveil the trick...
Any 2-digital number - say, AB (with A and B be digits) - is in fact 10*A+B.
Then the sum of the digits is A+B.
When you substract, you have:
10A + B - (A+B) = 9 * A
So, with A being a digit (1 to 9), we have only 9 possible choices: 9, 18, 27... up to 81.
As you may see in the table on the site, EVERY number divisible by 9 and less than 82 has the same `flower' symbol associated with it. ▲ Collapse
| | | | Jaroslaw Michalak
Poland
Local time: 21:23
Member (2004)
English to Polish
SITE LOCALIZER | PAS
Local time: 21:23
Polish to English
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| The world must be soooo boring for those math-thinking types :-P | Mar 20, 2006 |
Kirill gets the party pooper award for spoiling the magic of the crystal ball.
I will detract from the fun some more:
If you just click the crystal ball without "thinking of a number", you will get a different symbol each time, right?
Well - after you click the "try again" button, take another look at the chart on the right. Mr. Naughton was smart enough to shuffle the symbols around to giv... See more Kirill gets the party pooper award for spoiling the magic of the crystal ball.
I will detract from the fun some more:
If you just click the crystal ball without "thinking of a number", you will get a different symbol each time, right?
Well - after you click the "try again" button, take another look at the chart on the right. Mr. Naughton was smart enough to shuffle the symbols around to give us the illusion of guessing a different symbol each time, but the symbol beside each multiple of 9 remains the same...
Cheers,
Pawel Skalinski ▲ Collapse
| | | | | Thanks, Kirill, now I get it! | Mar 20, 2006 |
I checked and the symbols next to the numbers change every time you play. So one time all the numbers divisible by 9 are associated with, say, a flower, next time with a cross, then a square and so on. Hah! No magic then
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Kirill Semenov
Ukraine
Local time: 22:23
Member (2004)
English to Russian
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| My apologies :) | Mar 20, 2006 |
My sincere apologies to everyone who believes in Santa Claus or mind-reading via Internet. I just thought it was a really simple `magic ball' - sorry for crashing it.
To anoint the psychological trauma caused, I promise to post something more tricky to exercise our brains... Not today, sorry again, but as soon as I have a spare time.
PAS wrote: Kirill gets the party pooper award for spoiling the magic of the crystal ball.
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So.... it wasn't the first really interactive site with brainwave communication between a man and a machine
Cheers!
| | | | Oliver Walter
United Kingdom
Local time: 20:23
German to English
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