How do they do it?
 

I don't know how they can guess my number, but this is seriously cool. Normally it's a mathematical trick, but this takes it an extra step further.

http://www.milaadesign.com/wizardy.html

Well it's simple, the 3 numbers you can choose have the same symbol after the calculation.

It's a nice trick though, I bet many people will think it's some kind of telepathic shit.

That was fun :)!

72, 18 and 36 are the numbers after the calculation, try looking them up on the card

I've seen the same done with a deck of cards. Unless you really pay attention, you might not know. What they do with that one is make the faces incredibly tiny and change them (red spades), with a trick of nine.. (all numbers multiplied/divided by nine are addable to nine (3 * 9 = 27, 2+7 = 9))

The card one took me a second because something looked strange. They stacked the deck of tricks..

http://febrero.extremevideostore.com...teller%202.jpg

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holy fuck, i stared at another one other then my own, and they still got it!

:1orglaugh :1orglaugh :1orglaugh

math.. simple.. duuh!

Great show

Old trick

wow, cool

:pimp :pimp

You can choose any two digit number, the 3 numbers there are for examples..

Yeah, it's the same math. Any two digit number added together and subtracted from itself is a multiple of 9. So no matter what two digit you choose, your number will always be either 9, 18, 27, 36, 45, 54, 63, 72, or 81. So all those numbers on the map hav the same icon, and it of course shows you that icon.