The tank, together with the airplane, opened up modern warfare, which had been immobilized and stalemated by the use of rifled guns. It was developed by the British and first employed in World War I in the battle of Flers-Courcellette, on the Somme (Sept., 1916), but it was used piecemeal, without ...

Medical Technology Advances "First the surgeon would cut off the blood flow with a tourniquet. After that he would take a scalpel and slice through the outlying tissue and flesh. Then he would use a hacksaw-like tool called a capital saw to saw through the bone. It had replaceable blades. ...

It is almost a universal conception that Hitler deliberately provoked World War II for his personal desires. Some historians prove this belief by Hitler¡s biography ¡§My Struggle¡ (Mein Kampf) and his series of bold and aggressive foreign policies. While others confirm this notion by demo...