Tube (fluid conveyance)
Videos
A tube, or tubing, is a long hollow cylinder used for moving fluids or to protect electrical or optical cables and wires.
Plastic tubing
Gas
Videos
Gas is a state of matter with neither fixed volume nor fixed shape. It is a compressible form of fluid, in contrast to a liquid. A pure gas consists of individual atoms, or molecules. Pure gases can a
Tube (fluid conveyance)
…A tube, or tubing, is a long hollow cylinder used for moving fluids (liquids or gases) or to protect electrical or optical cables and wires. The terms "pipe" and "tube" are almost interchangeable, although minor distinctions exist…
Suspended particulates indicate the movement of the surrounding gas.
Shuttle imagery of re-entry phase
21 April 1990 eruption of Mount Redoubt, Alaska, illustrating real gases not in thermodynamic equilibrium.
Boyle's equipment