plasma
Plasma (Plasma) is a kind of free electrons and charged ions as the main component of the material form, widely exist in the universe, but also the highest abundance of material morphology in the universe, often regarded as the fourth state of the material (the other The fourth state is the liquid crystal), known as the plasma state, or "super gas", also known as "plasma". Flame is also a kind of plasma plasma has a high conductivity, and the existence of a strong coupling with the electromagnetic field. The plasma was discovered by British physicist Crooks in 1879, and in 1928 American scientist Owen Langmuir and Tonks first introduced Plasma into physics to describe the gas discharge tube Of the material form, Plasma is derived from the Greek, meaning the shape of the object, the word has the shape of the container with the shape of their own meaning, such as the lamp tube with the shape of the lamp to change their shape The Strictly speaking, the plasma is a high energy kinetic energy of the gas group, the total charge of the plasma is still neutral, by the electric field or magnetic field of high kinetic energy to the outer electrons hit, the results of electrons are no longer tied to the nucleus , And become high-energy high-energy free electrons. ...