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Mit: A New Angle on Pyramids
A team of researchers at the Massachusetts Institute of Technology investigated whether the ancient Egyptians could have used a synthetic concrete for the huge stones used in building the pyramids. The theory has met enormous resistance...
Science Education Resource Center at Carleton College
Serc: Calculating the Radius of the Earth
Science students often have difficulty thinking about large spatial scales. The purpose of the exercise is to redo Eratosthenes' calculation of the radius of the Earth using data from to sites in ancient Egypt. The excercise teaches...