Great question! 1) Molecules and atoms are held together by electronic attraction - electromagnetism. It is usually considered under the heading of chemical bonding, which is explained by electromagnetic interaction. Electrons are held in their orbits about the nucleus of an atom by the same electromagnetic force.
The surname of Barnes is said to have three possible origins of the surname. The first possible origin of the surname of Barnes is of the Anglo-Saxon variety, and is a topographical surname, or possibly even an occupational surname.
HORATIUS m Ancient Roman. Roman family name which was possibly derived from Latin hora hour, time, season, though the name may actually be of Etruscan origin. A famous bearer was Quintus Horatius Flaccus, a Roman lyric poet of the 1st century BC who is better known as Horace in the English-speaking world.