A comparison of the energy stored by different cells on the basis of cell volume: The amount of energy available from a battery is governed by: 1) The type of cell chemistry used. 2) The amount of chemical material available in the cell.
Economic materialism. Materialism is the importance a person attaches to acquiring and consuming material goods. The use of the term materialistic to describe a person's personality or a society tends to have a negative or critical connotation.
Pragmatism is a philosophical tradition that began in the United States around 1870. Pragmatism rejects the idea that the function of thought is to describe, represent, or mirror reality. Instead, pragmatists consider thought an instrument or tool for prediction, problem solving and action.n the philosophy of science, instrumentalism is the view that concepts and theories are merely useful instruments and progress in science cannot be couched in terms of concepts and theories somehow mirroring reality.