of all ages together with their teachers measure the length of the shadow of a stick at noon.
connect to each other via e-mail, social networks, skype to share their results."
all around the globe participate in this initiative coordinated by the Physics Department of the School of Sciences of the University of Buenos Aires.
Pabellón I, Ciudad Universitaria
(1428) Buenos Aires
Argentina
Dr. Guillermo Mattei
Email: eratostenes@df.uba.ar