# Flux (disambiguation)

Flux is a rate of flow through a surface or substance in physics, and has a related meaning in applied mathematics.
Flux may also refer to:

## Science and technology
### Biology and healthcare

* Flux (biology), movement of a substance between compartments
* Flux (metabolism), the rate of turnover of molecules through a metabolic pathway
* 4-Fluoroamphetamine (4-FA; PAL-303; "Flux"), a central nervous system stimulant with quasi-amphetamine effects
* Dysentery, or other diseases called "flux", which cause the loss of fluid by diarrhea or hemorrhage
* Rheumatism (historically), or "flux", thought to be caused by an excessive flow of rheum or fluid into a joint
* Slime flux, a bacterial disease that occurs on certain trees

### Computing

* Flux (machine-learning framework)
* Flux (graphics software), a suite of VRML/X3D viewing/authoring software
* Flux (software company), a developer of workflow software
* Flux (text-to-image model), a suite of text-to-image model developed by Black Forest Labs
* f.lux, a program that adjusts the color temperature of a computer display
* Fast flux, a DNS technique used by botnets to hide phishing and malware delivery sites

### Physics and engineering
#### Materials

* Flux (metallurgy), a chemical reducing agent, flowing agent, or purifying agent enhancing success in soldering and like joining of metals
* Ceramic flux, a substance which lowers the melting point and promotes glass formation in ceramic materials and glasses
** Secondary flux, a substance which acts as a ceramic flux in combination with other materials or at higher temperatures

#### Something integrated over a surface

* Electric flux, the electric field through a surface integrated over the surface's area
* Luminous flux, luminous intensity integrated over solid angle. Used in photometry
* Magnetic flux, magnetic field through a surface integrated over the surface's area
* Radiant flux, the total power emitted by a source. Used in radiometry

#### Something per unit area

* Intensity (physics), power per unit area (sometimes also called flux)

## People with the name

* Alfred William Flux (1867–1942), British economist and statistician
* Robert Flux, guitarist of the band Oomph!
* Maarten van der Vleuten (born 1967), Dutch composer and producer, alias Flux

## Art and entertainment
### Fictional characters

* Flux (comics), a Marvel Comics antagonist opposing the Hulk
* Flux (Dennis Sykes), a character in the Marvel Comics series 1 Month 2 Live
* Flux Wildly, a character in the computer game Toonstruck

### Literature

* Flux (novel), a book by Stephen Baxter
* "Flux", a short story by Michael Moorcock

### Music

* Flux (Caveman Shoestore album), 1994
* Flux (Poppy album), or the title song, 2021
* Flux (Rich Robinson album), 2016
* Flux, an album by Love Spirals Downwards, 1998
* "Flux" (Bloc Party song), 2007
* "Flux" (Ellie Goulding song), 2019
* "Flux", a song by Lamb of God from New American Gospel, 2000

### Other uses in art and entertainment

* Flux (magazine), a music, comic book and video game magazine of the 1990s
* MTV Flux, a former television channel in the United Kingdom and Japan
* Doctor Who: Flux, the thirteenth series of the British science fiction television programme

## Other uses

* Flux (political party), a political party in Australia
* Flux, Utah, a ghost town and former mining community in Tooele County, Utah
* "Flux", the imagery of the River in the fragments of the presocratic philosopher Heraclitus