depth
The mysterious stones of the planet
Science has reached the depths of the sea and the heights of space, but still powerless before some of the stones ― the ancient and unknown.
Science has reached the depths of the sea and the heights of space, but still powerless before some of the stones ― the ancient and unknown.
Scientists have found that most are made of solid lava, but there are instances, and made of sedimentary rocks. Balls were found in many countries and continents ― Central America, USA, New Zealand, Romania, Kazakhstan, Brazil and Russia. Many unique specimens have been stolen, destroyed or even blown up, as the hunters believed that the inside can be hidden gold.
According to historians and archaeologists in Central America balls could muster in front of the house of nobles, thus demonstrating their status, but that doesn’t explain their purpose, in particular, in Novaya Zemlya or Franz Joseph Land. Continue reading
Facilities for surface water intake
Complex structures, which serve to extract water from the source is called the water intake. Depending on the source water supply intake structures are distinguished:
a) coastal;
b) run-of-river;
b) reservoir;
d) lacustrine;
d) marine.
According to the degree of stationarity of the intakes are divided into stationary and non-stationary (floating, travelling). By purpose are divided into technical and drinking. Duration of operation – permanent and temporary. Technological and design features – bucket, power, combined, etc. By location of receiving waters – coastal and bed. The required reliability of water supply in accordance with the instructions of SNiP II-31-74. The performance of small (less than 1 m 3 /h), medium (from 1 to 6 m 3 /h) and large (more than 6 m 3 /h). Continue reading
The most magnificent Gothic cathedrals in France
Chartres Cathedral
The Cathedral in Chartres (XII-XIV centuries) is considered one of the most beautiful in Europe. Chartres, where the precious relics of our lady, enjoyed the special protection of king Louis IX, who gave the Cathedral a large window-rose. Stained glass Windows donated to the Cathedral, the artisans of the city.
In the construction of the Cathedral was attended by many people: for example, in 40-ies of the XII century Norman thousands of pilgrims came to Chartres and a few months to destroy stone blocks in the walls of the Cathedral reach two to three meters long and one meter in height. The Western facade is the only thing that survived from an earlier building. Its creation dates to 1170. The façade is adorned with three richly decorated with magnificent stone carvings of the portal belonging to the XII century. From the North and South facades of the building you can see is very typical of French Gothic, a huge, round lace box, in which the openings in lead casements inserted stained glass. The diameter of the Windows of the transept is 13 meters. A screen similar to this entered art history under the name “rose”. It first appeared in the Chartres Cathedral, Continue reading
