Soil Mechanics: Soil Classification Systems
Soil classification gives generalized information about the behavior and nature of soil belonging to a particular region or location. It also gives …
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Mechanical Vectors, Rotations, and Tensors
What are the differences between the vector and the tensor? What are the relation between the mechanical rotations vectors and tensors? This article …
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Mohs Scale of the Ten Hardnesses - It's "Mohs," not "Moh's!"
The ancient idea of testing the hardness of a particular rock by trying to scratch it with another rock was standardized in the early 1800s. This …
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How to Use a Mechanical Drafting Machine
A mechanical drafting machine is used as a conventional method of producing an engineering drawing used in many offices and industries. A drafting …
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The British-French Joint Aircraft Carrier Project
European nations have collaborated on a number of military design projects in the past fifty years, among them the Eurofighter, the MEKO series of …
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Calculating Industrial Weight Lifting Machines
Moving huge weights used to be a big challenge for workers, which led to the invention of lifting machines. These well calculated, efficient …
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New British Aircraft Carriers: The Queen Elizabeth Class
The retirement of the HMS Ark Royal in 1979 marked the end of Britain’s ability to field a full deck aircraft carrier operating conventional, …
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Soil Mechanics: Flow of Water in Soils
Soil permeability is a characteristic property of soil, and studying it helps to erect better structures, construct stable foundations, and perform …
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The Alsace: Battleship to Head France's Navy in the 1940's
The Alsace Class was a planned battleship design that would mark France’s departure from the guidelines of the Washington Naval Treaty. They …
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How to Make Your Own Highly Efficient LED Light Fixture
Fluorescent lamps in most houses incorporate ordinary inductive ballasts, which are pretty inefficient and consume almost double the power. The …
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