A zigzag is a pattern made up of small corners at variable angles, though constant within the zigzag, tracing a path between two parallel lines; it can be described as both jagged and fairly regular.. In geometry, this pattern is described as a skew apeirogon.From the point of view of symmetry, a regular zigzag can be generated from a simple motif like a line segment by …

Zigzagger attachments. Older sewing machines designed to sew only a straight stitch can be adapted to sew a zigzag by means of an attachment. The attachment replaces the machine's presser foot with its own, and draws mechanical power from the machine's needle clamp (which requires the needle clamp to have a side-facing thumbscrew). It creates a zigzag by …

Edward Arnold Chapman (16 November 1914 – 11 December 1997) was an English criminal and wartime spy. During the Second World War he offered his services to Nazi Germany as a spy and subsequently became a British double agent.His British Secret Service handlers codenamed him Agent Zigzag in acknowledgement of his erratic personal history.. He had a number of criminal …

A decal (/ ˈ d iː k æ l /, US also / d ɪ ˈ k æ l /, CAN / ˈ d ɛ k əl /) or transfer is a plastic, cloth, paper, or ceramic substrate that has printed on it a pattern or image that can be moved to another surface upon contact, usually with the aid of heat or water.. The word is short for decalcomania, a decorative technique by which engravings and prints are transferred to pottery or ...

In computer science, a tree is a widely used abstract data type that represents a hierarchical tree structure with a set of connected nodes.Each node in the tree can be connected to many children (depending on the type of tree), but must be connected to exactly one parent, except for the root node, which has no parent. These constraints mean there are no cycles or "loops" (no node …

Zigzag stitch geometry is produced when the needle moves rhythmically side to side while stitching, while the feed dogs are following only in the normal forward "four motion" movement. Most lockstitch machines made after the 1960s are capable of doing this; older machines achieve the same stitch with a specialist presser foot which moves the ...

The spider species Argiope aurantia as commonly known as the yellow garden spider, black and yellow garden spider, golden garden spider, writing spider, zigzag spider, zipper spider , black and yellow argiope, corn spider, Steeler spider, or McKinley spider. The species was first described by Hippolyte Lucas in 1833. It is common to the contiguous United States, Hawaii, …

Theodor Holm Nelson (born June 17, 1937) is an American pioneer of information technology, philosopher, and sociologist.He coined the terms hypertext and hypermedia in 1963 and published them in 1965. Nelson coined the terms transclusion, virtuality, and intertwingularity (in Literary Machines).According to a 1997 Forbes profile, Nelson "sees himself as a literary romantic, like …

Bohemia (/ b oʊ ˈ h iː m i ə / boh-HEE-mee-ə; Czech: Čechy; German: Böhmen (help · info); Upper Sorbian: Čěska; Silesian: Czechy) is the westernmost and largest historical region of the Czech Republic.Bohemia can also refer to a wider area consisting of the historical Lands of the Bohemian Crown ruled by the Bohemian kings, including Moravia and Czech Silesia, in which …

The Zig Zag Railway is an Australian heritage railway, situated near Lithgow, New South Wales.It was opened by the not-for-profit Zig Zag Railway Co-op as an unpaid volunteer-staffed heritage railway in October 1975, using the alignment of the Lithgow Zig Zag line that formed part of the Main Western line between 1869 and 1910. The line climbs the western flank of the Blue …