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Mind Reading?

It didn't work for me. I first used 18 (their example) and the thing came up with the wrong symbol. Then I just looked at a symbol and it got a "hit," then another symbol and a "miss." Two misses and one hit, hardly amazing.
 
garys_2k said:
It didn't work for me. I first used 18 (their example) and the thing came up with the wrong symbol. Then I just looked at a symbol and it got a "hit," then another symbol and a "miss." Two misses and one hit, hardly amazing.
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I suspect you had a malfunction on that one.
 
Houngan said:
pay attention to the values you get, you'll soon notice a pattern . . .
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That you'll always get a multiple of 9 and all multiples of 9 have the same symbol in the table?
 
scotth said:


That you'll always get a multiple of 9 and all multiples of 9 have the same symbol in the table?
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Yep, and those symbols change each time you click the "retry" button (but again, all multiples of 9 have a new same symbol).
 
When you sum digits base 10, you get the remainder dividing by 9, or 9 itself sometimes. In either case subtracting it will force you to a number that is divisible by 9, rather obviously.

If we used base 19, the magic number would be 18. And so on.
 
I've seen another mind reader thing that also suprised me for a few seconds before I realized what was going on.

It showed you a 5 cards and you had to remember one of them. And then it showed you the cards again, but the one you were thinking about was removed. Of course it just switched all the carsd. (:

And of course you have the triangle that can be put together two different ways. One of them leaves a little square not covered.

Anyone have any other things to fool people like these?
 
I missed the factor of 9 thing completely. Thanks.


edited to add:
The really genious part of it is that it changes the symbols every time.

I agree: this is the part that makes it so bloody effective. Whoever thought this up is very clever.
 
And of course you have the triangle that can be put together two different ways. One of them leaves a little square not covered.
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OK, I'll admit, this one stumped me. What's the trick? (preparing to feel incredibly dense)
 
boooeee said:


OK, I'll admit, this one stumped me. What's the trick? (preparing to feel incredibly dense)
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The hypotenuse (sp?) is not straight.

It bows in slight when there is no gap in the figure and bows out slight when there is a gap.
 
scotth said:
The hypotenuse (sp?) is not straight.

It bows in slight when there is no gap in the figure and bows out slight when there is a gap.
Click to expand...
That's right. The second diagram is of a 4 sided figure that (almost) looks like a triangle.
 
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