Physics keeps life going-物理 依据 生命

Τετάρτη, 19 Μαρτίου 2014

Eratoshenes Experiment

More than 2000 years ago, the Greek scientist Eratosthenes first measured the circumference of the Earth with an ingenious technique requiring only sticks, shadows and a little mathematics. These days, many schools from all over the world participate in recreating this momentous experiment. 

Eratosthenes of Cyrene (Ancient GreekἘρατοσθένης was Greek mathematiciangeographerpoetastronomer, and music theorist
He was a man of learning, becoming the chief librarian at the Library of Alexandria.

Register for the mesurements
Teacher guide
WYP 2005
Naxos / Eratosthenes

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