thnik again!

The blog will re-open Monday January 9, 2012.

Happy holidays!

Kindly suggested by Sotiris (aka swt).

In which region of the table may I put ball B so it can be hit by ball A when it rebounds from the upper and right side?

Problem source: Estímulo del Talento Matemático.

A good listener is usually thinking about something else. - Kin Hubbard

- I want to shoot the billiard ball A so it hits B.
- That shouldn’t be too difficult.
- A has to rebound from two of the sides before it touches B.
- What is the shortest route?
- Exactly!

Problem source: Estímulo del Talento Matemático.

The way taxes are, you might as well marry for love. - Joe E Lewis

How far is it from A to B along the surface of the cylinder?

Problem source: Estímulo del Talento Matemático.

Science knowledge only adds to the excitement and mystery and the awe of a flower. – Richard Feynman

What is the shortest route to the road L when you have to get some water from the river at M first?

Problem source: Estímulo del Talento Matemático.