Science - Technology
The recent robotic explorations of the 'air-shafts' in the Great Pyramid have demonstrated that there are still many mysteries surrounding the ancient monument. Ian Shaw discusses the debate around the building of the great structure and investigates the methods used in its construction.
Science - Technology
Science - Technology
Building the Great Pyramid
Greek Astronomy
One of the most powerful creations of Greek science was the mathematical astronomy created by Hipparchus in the second century B.C. and given final form by Ptolemy in the second century A.D.
Albert Einstein
Some centuries distinguished themselves from previous ones because they were dominated by certain characteristics, such as the expansion of Islam; the Mongol conquests; or the Renaissance. 
