
Plasma | Physics, State of Matter, & Facts | Britannica
Nov 22, 2025 · Plasma, in physics, an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become …
Plasma physics - Britannica
In postwar papers, Bohm laid the foundations of modern plasma theory. Bohm’s lectures at Princeton developed into an influential textbook, Quantum Theory (1951), that contained a clear presentation of …
Plasma - Oscillations, Parameters, Interactions | Britannica
Oct 17, 2025 · This is the great practical goal of plasma physics—to produce nuclear fusion on the Earth. Confinement schemes devised by scientists use magnetic fields or the inertia of an implosion …
Plasma - Fusion, Lighting, Astronomy | Britannica
Nov 22, 2025 · A practical application of plasma involves the glow discharge that occurs between two electrodes at pressures of one-thousandth of an atmosphere or thereabouts.
Plasma - Waves, Particles, Interactions | Britannica
Nov 22, 2025 · Plasma - Waves, Particles, Interactions: The waves most familiar to people are the buoyancy waves that propagate on the surfaces of lakes and oceans and break onto the world’s …
plasma and plasma physics - Students | Britannica Kids | Homework Help
Plasma is sometimes called the fourth state of matter because plasmas possess remarkable properties not found in ordinary solids, liquids, and gases. Because the free electrons are extremely mobile, for …
Magnetic Confinement, Plasma, Fusion - Britannica
Nov 25, 2025 · Solution of the anomalous transport problem involves research into fundamental topics in plasma physics, such as plasma turbulence. Many different types of magnetic configurations for …
Nuclear Energy, Plasma Physics, Fusion Power - Britannica
Nov 25, 2025 · A next major step in the development of fusion power is the construction of a facility to study the physics of a burning, ignited plasma (with Q being infinite). The presence of alpha particles …
Plasma - Natural, State, Matter | Britannica
Nov 22, 2025 · In a star the plasma is bound together by gravitational forces, and the enormous energy it emits originates in thermonuclear fusion reactions within the interior.
Magnetohydrodynamics (MHD) | Britannica
plasma, in physics, an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become ionized.