Plasma medicine Plasma medicine Plasma medicine is an emerging field that combines plasma physics, life sciences and clinical medicine. It is being studied in disinfection, healing, and cancer. Most of the research is in vitro and in animal models. It uses ionized gas (physical plasma) for medical uses or dental applications . Plasma, often called the fourth state of matter, is an ionized gas containing positive ions and negative ions or electrons, but is approximately charge neutral on the whole. The plasma sources used for plasma medicine are generally low temperature plasmas, and they generate ions, chemically reactive atoms and molecules, and
Negative and positive atheism no God. He categorizes himself as a "de facto atheist" but "not" a "strong atheist" on this scale. Within negative atheism, philosopher Anthony Kenny further distinguishes between agnostics, who find the claim "God exists" uncertain, and theological noncognitivists, who consider all talk of gods to be meaningless. Jacques Maritain used the negative/positive phrases as early as 1949, but with a different meaning and in the context of a strictly Catholic apologist. Goparaju Ramachandra Rao (1902–1975), better known by his nickname Gora, was an Indian social reformer, anti-caste activist, and atheist. He proposed a philosophy he called "positive atheism", which treated