Archive for April 3rd, 2008

Mathematical Mindreading: Splitting up Piles

April 3, 2008

crystal.jpgHere’s another mindreading trick with which to amaze your friends and family! Start with a pile of pennies (or beads or paper clips or poker chips etc.) You’ll need to know in advance how many pennies there are: for this example we’ll assume that there are 20 pennies in the pile. It’s not a big deal if your Audience knows that you know how many pennies there are, although if you do this trick more than once it is most impressive to use a different number of pennies each time. Click to find out how to do this mindreading trick!