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Strict accounting Sunbeam
Bashny.Net
This interesting device is used in meteorology to calculate the length of the solar day and receive information about the climate of the area.
It works like this: pass through a glass ball the sun's rays which are refracted and burn cardboard, which is mounted under the ball. Thus the way is clear for how long the sun is shining, and when it is at its zenith.
17 photos via priroda.su
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Source:
It works like this: pass through a glass ball the sun's rays which are refracted and burn cardboard, which is mounted under the ball. Thus the way is clear for how long the sun is shining, and when it is at its zenith.
17 photos via priroda.su
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
Source:
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