Easy tricks with drinking glasses |
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Three drinking glasses
Here is an easy trick for a birthday party.
Put three drinking glasses in a row on the table. The glass which is in the center must
stand with its right side up and the two other glasses are standing upside-down as shown
in the picture. The task of this easy trick is to turn two glasses at a time and
to put them all right side up in three moves.
At first you show your friends how to do this trick. Take glasses A and B, one in each hand, and turn them over at the same time. Do the same with glasses A and C, then repeat with A and B. Now all the three glasses are standing right side up. Before your friend tries to do the trick you turn the central glass upside-down; the two other glasses are standing with their right sides up. Your friend must not notice that you have changed the positions. Then you ask him to put them all right side up in three moves, as you have done it. He will not notice that the glasses are standing in a different way. You began when two glasses were standing upside-down and one glass right side up; now two are standing right side up and one upside-down. The secret of this trick is that from this new position he will not be able to do it. Your friends will try it many times before somebody notices the trick. |
Short bridges
Here are three drinking glasses and three rulers. The glasses are standing in such a way
that the distance between any two glasses is longer than the ruler. Imagine that each glass
is an island and each ruler is a bridge. With the help of these short bridges you must join
all the three islands with one another. Of course, you must not move the glasses;
they are islands, and you can't move islands!
So, can you join them with one another? If you can't, picture will show you how you can make this easy trick. |
There is no magic
Put a coin on its side, then put a small piece of paper on it and cover them
with a drinking glass, as shown in the picture. Now ask your friend to throw the piece
of paper off the coin, but he mustn't touch the glass or jump on the floor.
The coin must not fall down.
Don't show him at once how to do it. Let him think and try this trick for a long time. When at last he says it is impossible to do it, you comb your hair (the hair must be dry), and then put the comb (as if by chance) near the side of the glass. The piece of paper will fall down at once. But there is no magic in this scientific trick. It is electricity that makes the piece of paper fall down. |
