Gold Jewelry

Because of the softness of pure (24k) gold, usually alloyed with base metals for use in jewelry, altering its hardness and ductility, melting point, color and other properties. Alloys with lower caratage, typically 22k, 18k, 14k or 10k, contain higher percentages of copper, or other base metals or silver or palladium in the alloy. Copper is the most commonly used base metal, yielding a redder color. Eighteen-carat gold containing 25% copper is in antique and Russian jeweler. It has a distinct, though not dominant, copper cast, creating rose gold. Fourteen-carat gold-copper alloy is nearly identical in color to certain bronze alloys, and both used to produce police and other badges. Blue gold can be made by alloying with iron and purple gold can be made by alloying with aluminum, although rarely done except in specialize jewelry. Blue gold is more brittle and therefore more difficult to work with when making jewelry. Fourteen and eighteen carat gold alloys with silver alone appear greenish-yellow and referred to as green gold. White gold alloys made with palladium or nickel. White 18 carat gold containing 17.3% nickel, 5.5% zinc and 2.2% copper is silver in appearance. Nickel is toxic, however, and its release from nickel white gold controlled by legislation in Europe. Alternative white gold alloys are available based on palladium, silver and other white metals (World Gold Council), but the palladium alloys are more expensive than those using nickel. High-carat white gold alloys are far more resistant to corrosion than are either pure silver or sterling silver. The Japanese craft of Mokume-gane exploits the color contrasts between laminated colored gold alloys to produce decorative wood-grain effects.

Gambling Disorders Studies

The beliefs of a society about a health condition can have a huge impact on the people who suffer from the disorder. Public opinion can influence public health policy, public and private harm minimization efforts, research funds and treatment support. At the individual level, negative public views of a disease and the stigma it creates can strongly discourage individuals from admitting that he or she has the problem and seeking treatment for the condition. There is little data available on public opinion of gambling disorders; however, a new study published in the Journal of Gambling Studies fills this void with a systematic examination of public opinion on gambling disorders.

Researchers conducted telephone surveys with 8,467 adults in the Toronto area and questioned people about their opinions of how to best understand gambling disorders. Researchers asked if gambling disorders should be treated as a disease or illness, a wrongdoing, a habit, not disease or an addiction similar to drug addiction. Researchers also inquired if people with gambling disorders can get well on their own or must seek treatment to improve and polled adults on whether people with gambling disorders can reduce their gambling to that of a social gambler or if they need to quit altogether. The survey also gathered information on the gambling behavior and demographics of the respondents.

The researchers found that most people viewed gambling disorders as an addiction similar to drug addiction, with one-third seeing gambling as a habit and 17 percent viewing gambling as a form of wrongdoing. Responses to whether gamblers needed treatment to recover showed a split jury, and three out of four thought that abstinence from gambling activities must happen for recovery. Examining the demographics, the researchers found that being female, married, younger and without gambling problems paralleled believing that treatment and abstinence were necessary. In addition, people who viewed gambling problems as a disease or addiction also believed that treatment and abstinence for recovery are necessary.

The researchers noted that public perceptions reported in their study mimic the results of a 2003 study that examined the views of the public on alcohol use, with 71 percent of respondents saying that abstinence must occur for recovery. This popularly held belief is also the view of much of the scientific community as reflected by the upcoming changes the American Psychiatric Association is making.

Finally, researchers concluded that people with gambling disorders were less likely to think that treatment and abstinence were necessary for recovery. This may be because many people who meet the clinical guidelines for a gambling disorder do not think they have a problem and even those who believe they do have a problem are unlikely to seek treatment.

Dealing

In games where cards are distributed among players, the deal is the act of that distribution.

The dealer takes all of the cards in the pack, arranges them so that they are in a uniform stack, and shuffles them. In strict play, the dealer then offers the deck to the previous player in the sense of the game direction for cutting. If the deal is clockwise, this is the player to the dealer's right; if counterclockwise, it is the player to the dealer's left. The invitation to cut is made by placing the pack, face downward, on the table near the player who is to cut: who then lifts the upper portion of the pack clear of the lower portion and places it alongside. Normally the two portions have about equal size. Strict rules often indicate that each portion must contain a certain minimum number of cards, such as three or five. The formerly lower portion is then replaced on top of the formerly upper portion. Instead of cutting, one may also knock on the deck to indicate that on trusts the dealer to have shuffled fairly.

The actual deal distribution of cards is done in the direction of play, beginning with eldest hand. The dealer holds the pack, face down, in one hand, and removes cards from the top of it with his or her other hand to distribute to the players, placing them face down on the table in front of the players to whom they are dealt. The cards may be dealt one at a time, or in batches of more than one card; and all or a determined amount of cards are dealt out. The undealt cards, if any, are left face down in the middle of the table, forming the stock also called talon, widow or skat.

Throughout the shuffle, cut, and deal, the dealer should prevent the players from seeing the faces of any of the cards. The players should not try to see any of the faces. Should a player accidentally see a card, other than one's own, proper etiquette would be to admit this. It is also dishonest to try to see cards as they are dealt, or to take advantage of having seen a card. Should a card accidentally become exposed, visible to all, then, normally, any player can demand a redeal all the cards are gathered up, and the shuffle, cut, and deal are repeated.

When the deal is complete, all players pick up their cards, or 'hand', and hold them in such a way that the faces can be seen by the holder of the cards but not the other players, or vice versa depending on the game. It is helpful to fan one's cards out so that if they have corner indices all their values can be seen at once. In most games, it is also useful to sort one's hand, rearranging the cards in a way appropriate to the game. For example, in a trick-taking game it may be easier to have all one's cards of the same suit together, whereas in a rummy game one might sort them by rank or by potential combinations.

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Card Games Rules

A new card game starts in a small way, either as someone's invention, or as a modification of an existing game. Those playing it may agree to change the rules as they wish. The rules that they agree on become the house rules under which they play the game. A set of house rules may be accepted as valid by a group of players wherever they play, as it may also be accepted as governing all play within a particular house, café, or club.

When a game becomes sufficiently popular, so that people often play it with strangers, there is a need for a generally accepted set of rules. This need is often met when a particular set of house rules becomes generally recognized. For example, when Whist became popular in 18th-century England, players in the Portland Club agreed on a set of house rules for use on its premises. Players in some other clubs then agreed to follow the Portland Club rules, rather than go to the trouble of codifying and printing their own sets of rules. The Portland Club rules eventually became generally accepted throughout England and Western cultures.

It should be noted that there is nothing static or official about this process. For the majority of games, there is no one set of universal rules by which the game is played, and the most common ruleset is no more or less than that. Many widely played card games, such as Canasta and Pinochle, have no official regulating body. The most common ruleset is often determined by the most popular distribution of rulebooks for card games. Perhaps the original compilation of popular playing card games was collected by Edmund Hoyle, a self-made authority on many popular parlor games. The U.S. Playing Card Company now owns the eponymous Hoyle brand, and publishes a series of rulebooks for various families of card games that have largely standardized the games' rules in countries and languages where the rulebooks are widely distributed. However, players are free to, and often do, invent house rules to supplement or even largely replace the standard rules.

If there is a sense in which a card game can have an official set of rules, it is when that card game has an official governing body. For example, the rules of tournament bridge are governed by the World Bridge Federation, and by local bodies in various countries such as the American Contract Bridge League in the U.S., and the English Bridge Union in England. The rules of skat are governed by The International Skat Players Association and in Germany by the Deutscher Skatverband which publishes the Skatordnung. The rules of French tarot are governed by the Fédération Française de Tarot. The rules of Poker's variants are largely traditional, but enforced by the World Series of Poker and the World Poker Tour organizations which sponsor tournament play. Even in these cases, the rules must only be followed exactly at games sanctioned by these governing bodies; players in less formal settings are free to implement agreed-upon supplemental or substitute rules at will.