Wire wrap

Wire wrap is a method to construct electronic circuit boards. Electronic components mounted on an insulating board are interconnected by lengths of insulated wire run between their terminals, with the connections made by wrapping several turns around a component lead or a socket pin. Wires can be wrapped by hand or by machine, and can be hand-modified afterwards. It was popular for large-scale manufacturing in the 60s and early 70s, and continues to be used for short runs and prototypes. The method eliminates the design and fabrication of a printed circuit board. Wire wrapping is unusual among other prototyping technologies since it allows for complex assemblies to be produced by automated equipment, but then easily repaired or modified by hand.

Wire wrap construction can produce assemblies which are more reliable than printed circuits: connections are less prone to fail due to vibration or physical stresses on the base board, and the lack of solder precludes soldering faults such as corrosion, cold joints and dry joints. The connections themselves are firmer and have lower electrical resistance due to cold welding of the wire to the terminal post at the corners.

List of file formats

This is a list of file formats used by computers, organized by type. Filename extensions are usually noted in parentheses if they differ from the format name or abbreviation. Many operating systems do not limit filenames to a single extension shorter than 4 characters, as was common with some operating systems that supported the FAT file system. Examples of operating systems that do not impose this limit include Unix-like systems. Also, Microsoft Windows NT, 95, 98, and Me do not have a three character limit on extensions for 32-bit or 64-bit applications on file systems other than pre-Windows 95/Windows NT 3.5 versions of the FAT file system. Some filenames are given extensions longer than three characters.

Some file formats may be listed twice or more. An example is the .b file.

Archive and compressed

Wrap (clothing)

In the context of clothing, a wrap can refer to a shawl or stole or other fabric wrapped about the upper body, or a simple skirt-type garment made by wrapping a piece of material round the lower body. Many people of both genders throughout the world wear wraps in everyday life, although in the West they are largely worn by women. They are sometimes sewn at the edges to form a tube which keeps the required size. A wrap may be secured by a corner being tucked beneath the wrapped material, by making a knot, or using ties, buttons or velcro.

Types of wrap garments include:

Wrap reel

A wrap reel or skein winder is a device for measuring yarn and making it into hanks of a standard size.. The reel is of a standard size and its revolutions are counted as the yarn is wrapped around it. Typically, a set number of revolutions will be used so that the hank is of a standard size — a skein or lea. For example, a skein of cotton would be 80 turns on a reel of 54 inches circumference, making 120 yards, while the standard length for wool worsted would be 80 yards.

The tension of the yarn as it was wound onto the reel was important because it would be elastic and so a standard tension was required to ensure uniformity. For a given reel, this would be determined by the friction of the setup and so the test hanks would be made and measured in other ways to calibrate the device.

The Science Museum in London has an 18th-century wrap reel in its collection which was made for Richard Arkwright's first cotton mill in Derbyshire. It is kept in their storage archive at Blythe House.

Wire

A wire is a single, usually cylindrical, flexible strand or rod of metal. Wires are used to bear mechanical loads or electricity and telecommunications signals. Wire is commonly formed by drawing the metal through a hole in a die or draw plate. Wire gauges come in various standard sizes, as expressed in terms of a gauge number. The term wire is also used more loosely to refer to a bundle of such strands, as in 'multistranded wire', which is more correctly termed a wire rope in mechanics, or a cable in electricity.

Wire comes in solid core, stranded, or braided forms. Although usually circular in cross-section, wire can be made in square, hexagonal, flattened rectangular, or other cross-sections, either for decorative purposes, or for technical purposes such as high-efficiency voice coils in loudspeakers. Edge-woundcoil springs, such as the Slinky toy, are made of special flattened wire.

History

In antiquity, jewelry often contains, in the form of chains and applied decoration, large amounts of wire that is accurately made and which must have been produced by some efficient, if not technically advanced, means. In some cases, strips cut from metal sheet were made into wire by pulling them through perforations in stone beads. This causes the strips to fold round on themselves to form thin tubes. This strip drawing technique was in use in Egypt by the 2nd Dynasty. From the middle of the 2nd millennium BC most of the gold wires in jewellery are characterised by seam lines that follow a spiral path along the wire. Such twisted strips can be converted into solid round wires by rolling them between flat surfaces or the strip wire drawing method. The strip twist wire manufacturing method was superseded by drawing in the ancient Old World sometime between about the 8th and 10th centuries AD. There is some evidence for the use of drawing further East prior to this period.

Wire (Third Day album)

Wire is the seventh album by Christian rock band Third Day. It breaks from the style of the band's previous albums to return to simple, rock and roll-driven melodies. To quote Allmusic's review of the album, "Third Day has stripped away the shine and gotten back to the grittiness of being a rock & roll band." The album is largely carried by the energetic guitar riffs that pervade its songs, although the forceful lyrics also contribute significantly.

The album's songs deal with numerous themes. "Wire", the title track, is a song about the pressure to succeed in modern society. "I Believe", "I Got a Feeling", "Innocent", and other tracks deal with sin, faith, and renewal from a Christian perspective. "Billy Brown" is a catchy song that explores the readiness of people to follow and even idolize entertainment figures.

In November 2004, a live version of Wire was released, called Live Wire featuring a DVD and CD of songs from their tour of their latest album.

The album won 2005 Grammy Award for Best Rock Gospel Album.

Wire (software)

Wire is a communications platform developed for mobile, tablet, and desktop founded by Skype and Microsoft veteran Jonathan Christensen, Alan Duric and Priidu Zilmer. Wire allows users to communicate for free through text, voice, photos, video and music in one interface and across platforms. The app is available on iOS and Android, OS X and Windows.

Wire is headquartered in Switzerland and the development center is in Berlin, Germany.

Founders / History

Wire was founded in Fall 2012 (launched on December 3, 2014) by Jonathan Christensen (CEO), Alan Duric (CTO) and Priidu Zilmer (head of design). Jonathan Christensen previously co-founded Camino Networks in 2005 with Alan Duric, who also co-founded Telio. Camino networks was later acquired by Skype, a division of Microsoft Corporation. At Skype, Jonathan was responsible for getting Skype into new platforms such as Internet televisions and set-top boxes while Priidu Zilmer, former head of design at Vdio, lead the Skype design team.