Bipolar

• Bipolar nebula, a distinctive nebular formation • Bipolar outflow, two continuous flows of gas from the poles of a star ==Mathematics==

• Bipolar coordinates, a two-dimensional orthogonal coordinate system • Bipolar set, a derivative of a polar set • Bipolar theorem, a theorem in convex analysis which provides necessary and sufficient conditions for a cone to be equal to its bipolar ==Medicine==

• Bipolar disorder, a mental disorder that causes periods of depression and periods of elevated mood • Bipolar I disorder, a bipolar spectrum disorder characterized by the occurrence of at least one manic or mixed episode • Bipolar II disorder, a bipolar spectrum disorder characterized by at least one episode of hypomania and at least one episode of major depression • Bipolar disorder not otherwise specified, a diagnosis for bipolar disorder when it does not fall within the other established sub-types • Bipolar neuron, a type of neuron which has two extensions ==Music==

Albums • Bipolar (Up Dharma Down album), 2008 • Bi-Polar (Vanilla Ice album), 2001 • Bipolar, a 2009 album by rock group El Cuarteto de Nos • Bipolar, a 2019 EP by American singer-songwriter Yot Club Songs • "Bipolar" (song), a 2023 song by Peso Pluma, Jasiel Nuñez, and Junior H • "Bipolar", a song by Blonde Redhead from their 1997 album Fake Can Be Just as Good • "Bipolar", a song by Gloria Trevi from her 2013 album De Película • "Bipolar", a song by Gucci Mane from his 2018 album Evil Genius • "Bipolar", a 2019 song by Kiiara • "Bi Polar", a 2021 song by Bhad Bhabie • "Bipolar", a song by Wifiskeleton from his album Pony ==Technology==

• Bipolar electricity transmission, using a pair of conductors in opposite polarity • Bipolar encoding, a type of line code where two nonzero values are used • Bipolar violation, a violation of the bipolar encoding rules • Bipolar electric motor, an electric motor with only two poles to its stationary field • Bipolar (locomotive), a locomotive using a bipolar electric motor • Bipolar signal, a signal that may assume either of two polarities, neither of which is zero • Lithic reduction: Bipolar percussion (archaeology) Transistors • Bipolar junction transistor (BJT) • Heterojunction bipolar transistor (HBT) • Insulated-gate bipolar transistor (IGBT) ==Other uses==

• Bipolarisation or Bipolarity, polarity in international relations involving two states ==See also==