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.
Barnes was born in Montgomery County, Maryland and was married to Nancy Harrison, described as an intelligent Quaker lady.. Barnes owned a farm in Montgomery County, and later laid out a town there, also known as Barnesville, Maryland, where he operated a country store for a time. In 1803, he moved to Ohio, settling first in St. Clairsville, where he operated a tavern and general store. In 1806 Barnes settled in Warren Township, Belmont County and cleared away the forest and built a house, established a tannery and general store and planted orchards.