However, ethics regarding personal. financial gain are but one issue in the far broader category of military ethics. If ethics is a system of moral values and morals are principles of right and wrong. in behavior, then moral development is the quest to learn right from wrong.
In March 1905 , Einstein created the quantum theory of light, the idea that light exists as tiny packets, or particles, which he called photons. Alongside Max Planck's work on quanta of heat Einstein proposed one of the most shocking idea in twentieth century physics: we live in a quantum universe, one built out of tiny, discrete chunks of energy and matter. Next, in April and May, Einstein published two papers.
The next great step forward in the understanding of atoms was accomplished by John Thomson. Using a cathode ray scope, Thomson determined that all matter, whatever its source, contains particles of the same kind that are much less massive than the atoms of which they form a part.