Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...
CC0 Usage Conditions ApplyClick for more information. About two thousand years ago, a Greek scholar named Eratosthenes used some sticks, shadows and math to calculate the circumference of the Earth.
Over a dozen Madhya Pradesh students on Wednesday braved the noontime sun to measure the earth’s circumference by using a two millennia-old technique for the first time in Bhopal. Over a dozen Madhya ...
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