This is just here as a test because I lose it
Term information
definition
Methods for assessing flow through a system by injection of a known quantity of an indicator, such as a dye, radionuclide, or chilled liquid, into the system and monitoring its concentration over time at a specific point in the system. (From Dorland, 28th ed) source: http://www.reference.md/files/D007/mD007201.html