Polar may refer to:
Crash Bandicoot is a series of platform video games published by Activision. The series was formerly developed by Naughty Dog from 1996 to 1999, and by Traveller's Tales, Eurocom and Vicarious Visions from 2000 to 2004. The series features a large cast of distinctively quirky characters designed by numerous different artists, the most notable of which include Charles Zembillas and Joe Pearson. In addition, it features an all-star cast of veteran voice actors.
The series centers on the conflicts between a mutated bandicoot named Crash Bandicoot and his creator, Doctor Neo Cortex. Crash acts as the main playable character of the series, though other characters have had occasional player access, most notable Coco Bandicoot and Doctor Neo Cortex, as well as Crunch Bandicoot. Out of the numerous characters in the series (numbering over sixty), only a few have significantly contributed to the story of the series.
Aku Aku, also known as Holiugd, is the guardian of the Wumpa Islands and the father figure of Crash Bandicoot and his friends. Aku Aku is the spirit of an ancient witch doctor encased in a floating, wooden mask. During Crash's missions to stop Doctor Cortex, he scattered copies of himself throughout the travels in an effort to aid him in his mission. Whenever Crash possesses an Aku Aku mask, he will be shielded from one enemy attack or contact. Collecting three Aku Aku masks gives Crash temporary invulnerability from all minor dangers, but does not protect from falling down holes. In his English speaking appearances, he is voiced by Mel Winkler up to Crash Twinsanity, and Greg Eagles in Crash of the Titans and Crash: Mind over Mutant. In the Japanese versions of his speaking appearances, he is voiced by Kenichi Ogata up to Crash Twinsanity.
A Polar (also AM Herculis Star) is a highly magnetic type of cataclysmic variable binary star system. Like other cataclysmic variables (CVs), polars contain two stars: an accreting white dwarf (WD), and a low-mass donor star (usually a red dwarf) which is transferring mass to the WD as a result of the WD's gravitational pull. (In technical terms, the donor star overfills its Roche lobe.) Polars are distinguished from other CVs by the presence of a very strong magnetic field in the WD. Typical magnetic field strengths of polar systems are 10 million to 80 million gauss (1000–8000 teslas). The WD in the polar AN Ursae Majoris has the strongest known magnetic field among cataclysmic variables, with a field strength of 230 million gauss (23 kT). The presence of such a strong magnetic field gives rise to a number of fundamental differences between polars and non-magnetic CVs.
Oil! is a novel by Upton Sinclair published in 1927 told as a third person narrative, with only the opening pages written in the second person. The book was written in the context of the Harding administration's Teapot Dome Scandal and takes place in Southern California. It is a social and political satire skewering the human foibles of all its characters.
The main character is James Arnold Ross Jr., nicknamed Bunny, son of an oil tycoon. Bunny's sympathetic feelings toward oilfield workers and socialists provoke arguments with his father throughout the story.
The novel served as a loose inspiration for the 2007 film There Will Be Blood.
An oil is any neutral, nonpolar chemical substance that is a viscous liquid at ambient temperatures and is both hydrophobic (immiscible with water, literally "water fearing") and lipophilic (miscible with other oils, literally "fat loving"). Oils have a high carbon and hydrogen content and are usually flammable and slippery.
The general definition of oil includes classes of chemical compounds that may be otherwise unrelated in structure, properties, and uses. Oils may be animal, vegetable, or petrochemical in origin, and may be volatile or non-volatile. They are used for food, fuel, lubrication, and the manufacture of paints, plastics, and other materials. Specially prepared oils are used in some religious ceremonies as purifying agents.
First attested in English 1176, the word oil comes from Old French oile, from Latin oleum, which in turn comes from the Greek ἔλαιον (elaion), "olive oil, oil" and that from ἐλαία (elaia), "olive tree", "olive fruit". The earliest attested forms of the word are the Mycenaean Greek 𐀁𐀨𐀺, e-ra-wo and 𐀁𐁉𐀺, e-rai-wo, written in the Linear B syllabic script.
Oil is a 2009 documentary film directed by Massimiliano Mazzotta. It explores the Italian energy provider Saras S.p.A., operating in the area of oil refining and the production of electricity, located in the island of Sardinia, near Cagliari and the impact of oil development on the land and lives of the local population.