Interesting facts about the entrance door
The need to protect their homes exists from time immemorial. Historically, in the gland, people have seen something so solid and durable, which can be protected. In the entire history…

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Riddle of Alexander of Macedon: Why "the flight of Tsar Alexander" was popular in Russia and throughout the Christian world
A unique pectoral cross was found on the land of the former Drutsk faction, which emerged in the 11th century on the way "from the Varangians to the Greeks". Crosses…

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How did dog collars change from ancient Egypt to the present day: Thorns, castles and diamonds
Dogs have been accompanying humans for thousands of years as loyal helpers, protectors, and companions. Today it is no longer known who first thought of putting a dog collar on…

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The mystery of the Roman Lycurgus Cup: Nanotechnology in the ancient world?

The British Museum holds a very beautiful ancient exhibit – the Roman Lycurgus Cup. But he is more famous for his unusual optical properties. Under normal lighting, the goblet appears yellowish-green, and in transmitted light it acquires a deep wine-red hue. Only in 1990, scientists were able to reveal the secret of these unique properties, but how could such an effect be achieved in ancient times? After all, these are the real nanotechnologies …
The cup is a so-called diatret – a double-walled bell covered with a figured pattern. Its height is 16.5, and its diameter is 13.2 centimeters.
The earliest found diatrets belong to the 1st century BC. n e., and their heyday reached its production in the III and IV centuries. Diatrets in that era were considered very expensive items and were available only to the rich. Continue reading

Decorations of Neanderthals, figurines from Ghana and other ancient art objects, which pushed for scientific discoveries
People just need food, air, water and creative expression. And so, judging by the findings of archaeologists, it was even millions of years ago. Perhaps some works of art created…

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How did dog collars change from ancient Egypt to the present day: Thorns, castles and diamonds
Dogs have been accompanying humans for thousands of years as loyal helpers, protectors, and companions. Today it is no longer known who first thought of putting a dog collar on…

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Plumbing, civil rights and technology: What the world lost when the Greeks conquered Troy, and the arias - the Dravidians
The legends of dark times in Europe and Asia are full of enthusiasm for the lost civilizations, developed so high that the listeners of these legends could hardly believe. Much…

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