Born: 1864
Birthplace: near Diamond Grove, Mo.
Cosmetic and process of producing same; paint and stain and process of producing the same—When Carver's method of crop rotation…
Energy is the power that we use for transportation, for heat and light in our homes and other places, and for the manufacture of all kinds of products. It has many other uses, too. The development…
(Encyclopedia) political action committee (PAC), U.S. organization formed by a corporation, labor union, or association to raise money for political activity. Funds can be gathered by voluntary…
(Encyclopedia) gilding, process of applying a thin layer of real or imitation gold to a surface. The process is employed on wood, metal, ivory, leather, paper, glass, porcelain, and fabrics and is…
(Encyclopedia) water gas, colorless poisonous gas that burns with an intensely hot, bluish (nearly colorless) flame. The gas is a mixture of carbon monoxide and hydrogen with very small amounts of…
U.S. Department of State Background Note Index: People History Government and Political Conditions Economy Foreign Relations U.S.-Spanish Relations PEOPLE Spain's population density, lower…
(Encyclopedia) sodium carbonate, chemical compound, Na2CO3, soluble in water and very slightly soluble in alcohol. Pure sodium carbonate is a white, odorless powder that absorbs moisture from the air…
inventor of vulcanized rubberBorn: 12/29/1800Birthplace: New Haven, Conn. Early failures in business led him to carry on his experiments into finding a way to prevent rubber from melting when hot…
Born: 1892Birthplace: Domont, France Liquid fuels—Up until World War I enough gasoline was produced from crude oil by distillation. Cracking fuel oil, another product of distillation, was necessary…
