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On this day in 1950, the Korean War began. North Korean forces crossed the 38th Parallel, launching a full-scale invasion of South Korea. This marked the start of a brutal three-year conflict that ...

A right triangular plate scaled by a factor two generates a bigger plate composed of four triangular plates the same size as the original. By using dimensional analysis we write the moment of inertia ...

The area moment of inertia (also called the second moment of area) defines the resistance of a cross-section to bending, due to the shape of the cross-section. It is a key parameter for the analysis ...

The Royal Society is a self-governing Fellowship of many of the world's most distinguished scientists drawn from all areas of science, engineering and medicine, and is the oldest scientific academy in ...

BEIRUT — Israel’s sharp escalation against the Lebanese Shiite group Hezbollah has killed hundreds of people, injured thousands and left an estimated half a million displaced, Lebanese authorities say ...

The sum of the areas of the two squares on the legs (a and b) equals the area of the square on the hypotenuse (c). Geometry. Vector illustration Royalty-free licenses let you pay once to use ...