Physics
- Power factor, or cos phi, of an AC electric power system
- Purple fringing, a type of chromatic aberration in photography
- Phenol formaldehyde resin, the earliest synthetic polymer
- Picofarad (pF) or petafarad (PF), multiples of farad, the SI unit of electric capacitance (petafarads rarely if ever used)
- Photon Factory, a synchrotron located at KEK in Tsukuba, Japan
Read more about this topic: PF
Famous quotes containing the word physics:
“... it is as true in morals as in physics that all force is imperishable; therefore the consequences of a human action never cease.”
—Tennessee Claflin (1846–1923)
“Mathematics should be mixed not only with physics but with ethics.”
—Henry David Thoreau (1817–1862)
“The labor we delight in physics pain.”
—William Shakespeare (1564–1616)