- Kari kolehmainen Samaa tarkoittava suhdelaskenta

Steel Strength as Visual Geometryfinnish_translation.jpg

Teräksen lujuus näkemisen geometriana

According to Plato, the picture of the reality had born of real objects which formed shadows onto the cave's back wall. In Plato's example, the prisoners came for the first time freedom, but had to return back to the cave. Before only shados seen prisoner told of the real objects behind the shadows, but the other prisoners did not want to believe. As a result, other prisoners rather wanted to kill the prisoner, than to change their own idea of the reality. These others may not differ from us, if the not casted shadows are not familiar to us. Knowledge gives the opportunity to see the kind, which, without the knowledge is not possible. Let me to explain the idea a little more.

wikiped.jpgPlato´s cave example

Allegory of the Cave

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That what we have a lot of, it is the world's iron subsoil. Normal structural steel S235 hardness for the strength calculation is HB 112, the average value from HB 100 to 125. The round shape of a diameter 112 (*units are yours), includes the diameter of the scale, the hardness of steel S235. Anyone can do the circle having diameter of 112 units, when the two-dimensional circle represents the hardness onto the paper. The circle forms the area of 9852 square units, gravity 9,82 units/s2 in other words .

By making a three-dimensional ball of the circle, it can determine the hardness of steel. Pressing the ball onto the surface of the steel, is the used method to determine hardness. Below is a pattern, of which can continue to determine the strength. Not onto the wall casting shadow, of the invisible phenomenon called strength. In the same way as the visible is seen as a shadow, invisible has the calculable not seen shadow. In addition to the calculation, the Invisible has also a geometric counterpart.

* Units are human fabrications, such as mm, inch, light year, etc.


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Back_Arrow.jpg

9.4.2015*08:20 (906 - 905)
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