The library of Eratosthenes

The most recent articles


The most recent articles


Kanyakumari ,Tamilnadu,India

Earth experiment in Kanyakumari

Wednesday 22 February 2012 by sdeepak
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21 st jun 09 in Bal vigyan bhawan,jahidpur,meerut

sun on kark rekha

Thursday 23 June 2011 by sdeepak

Bal vigyan bhawan - latitude 28 55 34 kark rekha - latitude- 23 26 22 difrence - 5 29 12 x111.111 = 610 km formula circumference of the earth = distance between two place x360/(a+b)angle

group A - angle- 4.46 degree c of earth= 610 x360/4.46 = 219600/4.46 = 49237.66816 km

group B- angle - 6.16 c of earth= 610 x360/6.16 = 219600/6.16 = 35649.3506 km

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Jammu&Kashmir april2011

Thursday 28 April 2011 by perbosc
Science awareness Mela 2011 are going to held in j&K(three district) . In this Mela , we will do the experiment with France( Mr.Eric Vayssié) . According to program 27 april - Carmel Convent School,Kunjwani,Jammu, 29 april - Little angel paradise hr. Sec.school, Udhampur 4 May- Govt (...)
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France-India-Argentina (February 2011)

Comenius-eTwinning (Elements of Science)-La main à la Pâte (Eratosthenes Experiment)
Sunday 13 February 2011 by perbosc

Comenius-eTwinning (Elements of Science)-La main à la Pâte (Eratosthenes Experiment)

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Earth experiment in Bijnor

Saturday 27 November 2010 by sdeepak
here in bijnour , was state science exhibition . and here our working model of earth experiment was declare first ( Gold Medal). now its project will go for National science exhibition.for this my student was satyam Pathak class 9th. length of device- 89 cm. length of shadow- 84.6 cm (...)
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Meerut in sept 2010

come and measure the circumference of the earth

Friday 26 November 2010 by sdeepak
we have done earth experiment and try to find out the circumference of earth with the help of children. they are good and enjoy the experiment. N.A.S.Inter College, was good place for this.but on 22 sep rain was obstical to do the experiment but on 27 and 28 sun was with us. and in shanti (...)
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Eratosthenes 2010

Sunday 11 July 2010 by perbosc
eratosthenes2010.free.fr/
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Bidada, Gujurat, INDIA

Sunday 11 July 2010 by perbosc
Eratosthenes measure in Bidada, Gujurat, INDIA 2009 december 28th
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xnviewnewsmedia (june 2010)

Sunday 11 July 2010 by perbosc
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NDTV (june 2008)

Sunday 11 July 2010 by perbosc
Eratosthenes experiment in Allahabad (India) on New Delhi TV
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