Friday, March 16, 2012

How to measure the height of a building with a barometer


No comments:

Post a Comment

Do you want to comment? Please remind that you have to sign your comment, because each one must be responsible of what he/she writes. Comments are controlled to avoid offensive or detrimental sentences.

Vuoi commentare? Ricorda che devi firmare il tuo commento perchè ognuno deve assumersi la responsabilità di quanto scrive. I commenti sono moderati per evitare frasi offensive o lesive.