Archimedes was probably the greatest mathematician of antiquity. He was born in the Sicilian city of Syracuse in 287 B.C., then an independent Greek colony. It is surprising how little we know about him and his life, as well as the oblivion into which he fell a few years after his death. It is known…Continue readingWhen Cicero found Archimedes’ tomb in Syracuse.
Three millennia ago Egypt was at the height of its Empire. After the war campaigns of Senusret III and a period of splendour and Egyptian pax during the government of Amenhotep III, and having saved a phase of weakness and decadence led by pharaohs like Akhenaten and Tutankhamun, the times of splendour returned with the…Continue readingThe solar alignment that occurs twice a year in the temple of Abu Simbel
The fact that the African continent was for the most part an unknown place until the second half of the 19th century does not mean that it did not gather several exploratory missions attempting to unravel its mysteries. And not only in Contemporary Age because the list of them goes back to Antiquity. For instance,…Continue readingThe Egyptian-Phoenician expedition that circumnavigated Africa more than 2,500 years ago
The history of cryptography is almost as old as that of human language. It is known that the ancient Egyptians, Chinese, Indians or Greeks used more or less sophisticated methods of encrypting messages, as shown by some documentary examples that have survived. Generally associated with the military field, the need to send messages also produced…Continue readingHow the ancient Greeks invented a telegraphic system for transmitting messages