http://demonstrations.wolfram.com/BrinnelHardnessOfMaterials/
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When a ball is pressed into a piece of material, the size of the indentation made by the ball is proportional to the hardness of the material. This relationship was used by the Swedish engineer Dr. Johan August Brinell to develop a standardized testing ...
Contributed by: Sandor Kabai
Correct spelling is Brinell.
Netdrmetal 1 week ago
@razamalik1990 FUNNI GAIY!!
Maddoxis007 2 weeks ago
the backing track is music to my ears
razamalik1990 10 months ago