Member since September 11, 2010

Deepu Sen

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Deepu Sen
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Science And Math
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Finding the circumference of earth by real activity
Sat 11 Sep, 2010 07:42 am - Sir, I have heard of Eratosthenes who found out the circumference of Earth about 2200 years before, and also I understood the way he did it. I wish to do that activity. But the problem is to... (view)
 
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