The commercial production of aluminum began in the 1880s with the development of the Hall-Héroult process, named after the two scientists, Charles Martin Hall and Paul Héroult, who independently discovered the electrolytic reduction of alumina dissolved in molten cryolite. This process made it possible to produce aluminum on a large scale and brought down its cost significantly, leading to its widespread use in various industries.
After the discovery in 2017 of a huge void in the Great Pyramid, on the Giza plateau, in Egypt, the ScanPyramids mission delivers its latest results... And the mystery grows a little more! 3D image of the Great Pyramid of Cheops, and its horizontal representation of the Big Void, the huge unknown
The discovery adds to other Stone Age enclosures recently found in the country, whose function remains a mystery. It is a huge structure originally made up of wooden poles, oval in shape and covering an area of almost 18,000 square meters, located in the town of Stevns, on the east coast of the i
A leaf-shaped point dated to at least 65,000 years old has been discovered in the famous Hohle Fels cave in southern Germany. Her study suggests that she was attached to a spear and used in great hunts. Foliaceous point of the cave of Hohle Fels, in the Swabian Jura, in Germany. Examination of t
About eight kilometers northwest of Giza, near the village of Abu Roash, the ruins of an ancient building can be seen. This is the Pyramid of Djedefra, sometimes called the fourth pyramid of Giza despite the distance that separates it from the famous structures of Cairo. It has the particularity of