Audi introduced its concept car Audi AI: Trail at the IAA 2019. The car is special because it combines futuristic design with autonomous driving, electric mobility.
We take for granted modern calendars, the system invention which trace time and act as one of the most monumental achievements of mankind… but them was much more than one. Rough, but working calendar was found in the district Warren Fild in the Scottish county. It is supposed that this historical monument for measurement of time could be created much earlier, than the Sumer bronze calendar found in Mesopotamia. Archeologists consider that Warren Fild hunters and collectors for long years, approximately from 8000 g BC used a calendar that does it by the oldest calendar in the world, found today. The site with the oldest calendar was dug out for the first time by National fund for Scotland in 2004. Unusual marking was noticed during the air photography which has been carried out by the Royal commission on affairs of ancient and historical monuments to Scotland. The recent analysis of this excavation by team from university of Birmingham shed light on a monument of an era of mesolitas. The oldest calendar includes a set from 12 holes, in each of which probably once a year put a wooden column, celebrating months. The monument was used to plan phases of the Moon and to trace lunar months. Holes are dug out so that to be guided by a sunrise point in day of a winter solstice. Probably, it allowed to do annually the amendment for real astronomical time and more precisely to expect the next change of a season. At desire the lunar calendar could be brought into accord with solar year. These 12 holes can be connected figuratively an arch which is located on a piece in 50 meters before a V-shaped hollow on the horizon. From it in day winter a solstice raised the sun. Authors of research believe that similar calendars existed in this district and earlier, and this find is not the only.
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