Foil may refer to:

Materials
  • Foil (metal), a quite thin sheet of metal, usually manufactured with a rolling mill machine
  • Metal leaf, a very thin sheet of decorative metal
  • Aluminium foil, a type of wrapping for food
  • Tin foil, metal foil made of tin, the direct predecessor to aluminium foil
  • Plastic foil, a thin layer of plastic material
Fluid dynamics
Arts and culture
Mathematics
  • The FOIL method, a way to expand the product of two first-degree polynomials ("linear factors")
Navigation
  • Hydrofoil, a type of high-powered motorboat that uses underwater foils to lift its hull above the water when moving at high speeds
  • Bruce foil, a foil used on an outrigger to prevent a boat from heeling
  • Centerboard, a movable keel that functions as a foil
  • Foilboard, a surfboard using a hydrofoil
Other
Little-known techniques in papermaking
  • Foil (papermaking), a type of ving under the wire in the wire section of a paper machine creating a vacuum pulse to eliminate water from the stock (fibre/water slurry).
  • Ultrasonic foil (papermaking), a type of high frequency vibrating foil under the wire, creating cavitation, imploding vacuum bubbles, in the stock on the wire. The shock waves from the imploding bubbles will distribute the fibres more uniform in the paper web and this will give a stronger paper



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Foil (literature)

In fiction, a foil is a character who contrasts with another character (usually the protagonist) in order to highlight particular qualities of the other character. In some cases, a subplot can be used as a foil to the main plot. This is especially true in the case of metafiction and the "story within a story" motif. The word foil comes from the old practice of backing gems with foil in order to make them shine more brightly.

A foil usually either differs dramatically or is extremely similar but with a key difference setting them apart. The concept of a foil is also more widely applied to any comparison that is made to contrast a difference between two things.Thomas F. Gieryn places these uses of literary foils into three categories which Tamara Antoine and Pauline Metze explain as: those that emphasize the heightened contrast (this is different because ...), those that operate by exclusion (this is not X because...), and those that assign blame ("due to the slow decision-making procedures of government...").

Foil (fluid mechanics)

A foil is a solid object with a shape such that when placed in a moving fluid at a suitable angle of attack the lift (force generated perpendicular to the fluid flow) is substantially larger than the drag (force generated parallel the fluid flow). If the fluid is a gas, the foil is called an airfoil or aerofoil, and if the fluid is water the foil is called a hydrofoil.

Physics of foils

A foil generates lift primarily as a result of its shape and angle of attack. When oriented at a suitable angle, the foil deflects the oncoming fluid, resulting in a force on the foil in the direction opposite to the deflection. This force can be resolved into two components: lift and drag. This "turning" of the fluid in the vicinity of the foil creates curved streamlines which results in lower pressure on one side and higher pressure on the other. This pressure difference is accompanied by a velocity difference, via Bernoulli's principle, so the resulting flowfield about the foil has a higher average velocity on the upper surface than on the lower surface.

Monopoly

A monopoly (from Greek μόνος mónos ("alone" or "single") and πωλεῖν pōleîn ("to sell")) exists when a specific person or enterprise is the only supplier of a particular commodity (this contrasts with a monopsony which relates to a single entity's control of a market to purchase a good or service, and with oligopoly which consists of a few entities dominating an industry). Monopolies are thus characterized by a lack of economic competition to produce the good or service, a lack of viable substitute goods, and the possibility of a high monopoly price well above the firm's marginal cost that leads to a high monopoly profit. The verb monopolise or monopolize refers to the process by which a company gains the ability to raise prices or exclude competitors. In economics, a monopoly is a single seller. In law, a monopoly is a business entity that has significant market power, that is, the power to charge overly high prices. Although monopolies may be big businesses, size is not a characteristic of a monopoly. A small business may still have the power to raise prices in a small industry (or market).

Monopoly (game show)

Monopoly is an American television game show based on the board game of the same name. The format was created by Merv Griffin and produced by his production company, Merv Griffin Enterprises.

Monopoly aired as a summer replacement series on ABC along with Super Jeopardy!, a special tournament edition of Griffin's popular quiz show. Monopoly premiered on June 16, 1990, and aired following Super Jeopardy! for twelve consecutive Saturday nights until September 1, 1990.

Former Jeopardy! contestant Mike Reilly was chosen to host the series, with Charlie O'Donnell as announcer. Three separate women, Kathy Davis, Kathy Karges, and Michelle Nicholas, served as the co-host/dice roller.

Gameplay

First round

Three contestants played, each represented by a color (red, gold, and green).

In the first round, the players attempted to take control of the various properties on a giant Monopoly board. To do so, they had to solve crossword-style clues. The first letter of each answer was given to the players, and each side of the four-sided board, referred to as "blocks" (with the block containing the five properties between the Go to Jail corner and "GO" referred to as the "high rent district"), had a different starting letter for clues. Each clue was a toss-up, and answering correctly won money equal to the value of the property, from $60 for Mediterranean Avenue to $400 for Boardwalk. Answering incorrectly deducted that value from a player's score. In the event that all three players failed to answer a clue, the property value was cut in half and another clue was read.

Monopole (wine)

A monopole ("monopoly" in French) is an area controlled by a single winery (wine company) and can be as small as a lieu-dit (vineyard) or as large as an entire appellation d'origine contrôlée, such as Bordeaux or Champagne. Frequently this is mentioned on the label and it is rare for only one winery to produce all the wine from an area entitled to a certain name. Each wine is sold by only one company.

The Napoleonic inheritance laws typically caused vineyards to be so finely divided that négociants are needed to bottle commercial quantities of a wine. Whether a monopole indicates a wine of unusual quality or not is a matter of debate.

List of monopoles (in need of expansion)

In Burgundy:

Others

  • Château-Grillet AOC, of Château Grillet.
  • Savennières-Coulée-de-Serrant, owned by Nicolas Joly.
  • In Bourgogne region, most of the vineyards which classified as Grand Cru have their own appellation (AOC). However, for some cases, several vineyards have one appellation. For example, 7 Grand Crus exists in Chablis region, but only one appellation "Chablis Grand Cru" is given to them. Corton Grand Cru, the largest Grand Cru in Bourgogne, has 26 sub-vineyards in it.

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