The American poet displays uncharacteristic romantic and metaphysical tendencies, while pondering a golden field of wheat and the passing of time So in a land where all days are not fair, Fair days ...

In 1940, the French mathematician and artillery officer Jean Leray was taken prisoner by the Germans. He told his captors that he was a topologist, fearful that if they discovered his true area of ...

Knowles Shaw was a well-known American preacher and gospel songwriter in the 19th century. Born in Ohio in 1834, he began preaching early in life and used music to support his message. He wrote many ...

Variable speed belt drive sheaves are common on combines. At their simplest, a pair of sheaves at one end of a belt moves closer together or farther apart. Another pair of sheaves at the other end of ...