Thursday 24 December 2009

A Christmas puzzle


The decorations of our Christmas tree form a triangle. What is the minimum number of red balls you can move in order to see the triangle upside down? Merry Christmas to everybody!





SOLUTION
You need to move three. Look at the animation (by Leo)

Sunday 20 December 2009

Merry Christmas

happy christmas


Postcard by Emanuela

Tuesday 15 December 2009

Wishes

Tuesday 8 December 2009

Tuesday 1 December 2009

Think differently!!! Nine dots problem



Draw nine dots on a paper and try to connect them with four straight lines without raising the pencil from the paper.


Solution - animation by Leo