Giant mirrors instead of the sun
• Giant mirror instead of the sun
Current October marked a significant event for the residents of the Norwegian town of Rjukan, is located in a fairly deep gorge. Here the second giant mirror in the world was established.
You ask why? To increase the length of daylight. At the mountainside were established the total reflection mirror combined area of more than 600 square meters.
Heliostats, computer-controlled, will change the angle of reflection for the maximum reflection of sunlight.
remained without natural light for 5-6 months Up to this point every year Rjukan.
If the Norwegians such experience in wonder, then in the world it is the second case. Seven years ago, to be exact, in the town appeared viganella sun December 17, 2006-year.
Its reflected steel sheet 40 square meters mounted on one of the slopes of the mountain.
This computer-controlled installation please let light 192 local residents from November to February. Previously, this was impossible because of the terrain.