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Metal detector

Index Metal detector

A metal detector is an electronic instrument which detects the presence of metal nearby. [1]

84 relations: Aircraft hijacking, Airport security, Alexander Graham Bell, Allied invasion of Italy, Allied invasion of Sicily, Alternating current, Amplitude modulation, Anglo-Saxons, Archaeological Resources Protection Act of 1979, Archaeology, Artifact (archaeology), Battle of the Little Bighorn, BBC, Beachcombing, Benito Mussolini, Bernard Montgomery, Black sand, Bona vacantia, Bullet, Caligula, Coin, Collette Hoard, Construction, Conveyor system, Copper, Countryside Stewardship Scheme, Cover meter, Crosby Garrett Helmet, DEMIRA, Detectorists, Eddy current, Electronic musical instrument, Electronic oscillator, England and Wales, Fife, Geographic information system, Geophysics, Gerhard Fischer (inventor), Global Positioning System, Gold, Gustave Trouvé, Induction loop, Inductive sensor, Invasion of Normandy, James A. Garfield, Józef Kosacki, Jewellery, Lake Nemi, Land mine, Lieutenant, ..., Magnet fishing, Magnetic field, Magnetometer, Mars (chocolate bar), Mars, Incorporated, Metal, Milton Keynes Hoard, Mine Kafon Drone, Mojave Nugget, Newark Torc, Outokumpu, Petersburg National Battlefield, Phase response, Polish mine detector, Portable Antiquities Scheme, Prospecting, Rapiscan Systems, Rebar, Ringlemere Cup, Scheduled monument, Second Battle of El Alamein, Silver, Site of Special Scientific Interest, Slack Farm, St Andrews, Staffordshire Hoard, Stirling torcs, Tennessee Valley Authority, Transmitter, Treasure Act 1996, Treasure hunting, UK Detector Finds Database, West Bagborough Hoard, World War II. Expand index (34 more) »

Aircraft hijacking

Aircraft hijacking (also air piracy or aircraft piracy, especially within the special aircraft jurisdiction of the United States and in the US state of Mississippi, and as skyjacking in some nations) is the unlawful seizure of an aircraft by an individual or a group.

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Airport security

Airport security refers to the techniques and methods used in an attempt to protect passengers, staff and planes which use the airports from accidental/malicious harm, crime and other threats.

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Alexander Graham Bell

Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone.

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Allied invasion of Italy

The Allied invasion of Italy was the Allied amphibious landing on mainland Italy that took place on 3 September 1943 during the early stages of the Italian Campaign of World War II.

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Allied invasion of Sicily

The Allied invasion of Sicily, codenamed Operation Husky, was a major campaign of World War II, in which the Allies took the island of Sicily from the Axis powers (Italy and Nazi Germany).

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Alternating current

Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.

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Amplitude modulation

Amplitude modulation (AM) is a modulation technique used in electronic communication, most commonly for transmitting information via a radio carrier wave.

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Anglo-Saxons

The Anglo-Saxons were a people who inhabited Great Britain from the 5th century.

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Archaeological Resources Protection Act of 1979

The Archaeological Resources Protection Act of 1979 (as amended,, codified at), also referred to as ARPA, is a federal law of the United States passed in 1979 and amended in 1988.

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Archaeology

Archaeology, or archeology, is the study of humanactivity through the recovery and analysis of material culture.

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Artifact (archaeology)

An artifact, or artefact (see American and British English spelling differences), is something made or given shape by humans, such as a tool or a work of art, especially an object of archaeological interest.

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Battle of the Little Bighorn

The Battle of the Little Bighorn, known to the Lakota and other Plains Indians as the Battle of the Greasy Grass and also commonly referred to as Custer's Last Stand, was an armed engagement between combined forces of the Lakota, Northern Cheyenne, and Arapaho tribes and the 7th Cavalry Regiment of the United States Army.

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BBC

The British Broadcasting Corporation (BBC) is a British public service broadcaster.

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Beachcombing

Beachcombing is an activity that consists of an individual "combing" (or searching) the beach and the intertidal zone, looking for things of value, interest or utility.

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Benito Mussolini

Benito Amilcare Andrea Mussolini (29 July 1883 – 28 April 1945) was an Italian politician and journalist who was the leader of the National Fascist Party (Partito Nazionale Fascista, PNF).

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Bernard Montgomery

Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, (17 November 1887 – 24 March 1976), nicknamed "Monty" and "The Spartan General", was a senior British Army officer who fought in both the First World War and the Second World War.

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Black sand

Black sand is sand that is black in color.

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Bona vacantia

Bona vacantia (Latin for "ownerless goods") is a legal concept associated with property that has no owner.

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Bullet

A bullet is a kinetic projectile and the component of firearm ammunition that is expelled from the gun barrel during shooting.

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Caligula

Caligula (Latin: Gaius Julius Caesar Augustus Germanicus; 31 August 12 – 24 January 41 AD) was Roman emperor from AD 37 to AD 41.

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Coin

A coin is a small, flat, (usually) round piece of metal or plastic used primarily as a medium of exchange or legal tender.

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Collette Hoard

The Collette Hoard was found in fields near Berwick-upon-Tweed, Northumberland, England by metal detectorist John Minns in April 2005.

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Construction

Construction is the process of constructing a building or infrastructure.

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Conveyor system

A conveyor system is a common piece of mechanical handling equipment that moves materials from one location to another.

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Copper

Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.

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Countryside Stewardship Scheme

The Countryside Stewardship Scheme was originally an agri-environment scheme run by the United Kingdom Government set up in 1991.

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Cover meter

A cover meter is an instrument to locate rebars and measure the exact concrete cover.

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Crosby Garrett Helmet

The Crosby Garrett Helmet is a copper alloy Roman cavalry helmet dating from the late 2nd or early 3rd century AD.

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DEMIRA

DEMIRA, or Deutsche Minenräumer e. V. (German mine clearers), is an international, humanitarian, non-governmental organization (NGO) registered in Germany.

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Detectorists

Detectorists is a British single-camera television comedy series which was first broadcast on BBC Four on 2 October 2014.

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Eddy current

Eddy currents (also called Foucault currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor due to Faraday's law of induction.

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Electronic musical instrument

An electronic musical instrument is a musical instrument that produces sound using electronic circuitry.

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Electronic oscillator

An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.

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England and Wales

England and Wales is a legal jurisdiction covering England and Wales, two of the four countries of the United Kingdom.

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Fife

Fife (Fìobha) is a council area and historic county of Scotland.

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Geographic information system

A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.

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Geophysics

Geophysics is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.

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Gerhard Fischer (inventor)

Gerhard Fisher contributed to the development and popularity of the hand held metal detector.

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Global Positioning System

The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Air Force.

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Gold

Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.

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Gustave Trouvé

Gustave Pierre Trouvé (2 January 1839 – 27 July 1902) was a French electrical engineer and inventor in the 19th century.

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Induction loop

An induction or inductive loop is an electromagnetic communication or detection system which uses a moving magnet or an alternating current to induce an electric current in a nearby wire.

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Inductive sensor

The inductive sensor is based on Faraday's law of induction.

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Invasion of Normandy

The Western Allies of World War II launched the largest amphibious invasion in history when they assaulted Normandy, located on the northern coast of France, on 6 June 1944.

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James A. Garfield

James Abram Garfield (November 19, 1831 – September 19, 1881) was the 20th President of the United States, serving from March 4, 1881, until his assassination later that year.

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Józef Kosacki

Józef Stanisław Kosacki (1909–1990) was a Polish professor engineer, inventor, and an officer in the Polish Army during World War II.

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Jewellery

Jewellery (British English) or jewelry (American English)see American and British spelling differences consists of small decorative items worn for personal adornment, such as brooches, rings, necklaces, earrings, pendants, bracelets, and cufflinks.

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Lake Nemi

Lake Nemi (Lago di Nemi, Nemorensis Lacus, also called Diana's Mirror, Speculum Dianae) is a small circular volcanic lake in the Lazio region of Italy south of Rome, taking its name from Nemi, the largest town in the area, that overlooks it from a height.

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Land mine

A land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it.

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Lieutenant

A lieutenant (abbreviated Lt, LT, Lieut and similar) is a junior commissioned officer in the armed forces, fire services, police and other organizations of many nations.

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Magnet fishing

Magnet fishing, also called magnetic fishing, is searching in outdoor waters for Ferromagnetic objects available to pull with a strong neodymium magnet.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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Magnetometer

A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a ferromagnet, or the direction, strength, or relative change of a magnetic field at a particular location.

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Mars (chocolate bar)

Mars is a British chocolate bar.

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Mars, Incorporated

Mars is an American global manufacturer of confectionery, pet food, and other food products and a provider of animal care services, with US$33 billion in annual sales in 2015, and is ranked as the 6th largest privately held company in the United States by Forbes.

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Metal

A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state, opaque, shiny, and has good electrical and thermal conductivity.

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Milton Keynes Hoard

The Milton Keynes Hoard is a hoard of Bronze Age gold found in September 2000 in a field near Monkston in Milton Keynes, England.

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Mine Kafon Drone

The Mine Kafon Drone is a drone for demining, led by Afghanistan-born Massoud Hassani.

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Mojave Nugget

The Mojave Nugget is the largest known gold nugget ever found in California, United States.

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Newark Torc

The Newark Torc is a complete Iron Age gold alloy torc found by a metal detectorist on the outskirts of Newark-on-Trent, Nottinghamshire, England, in February 2005.

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Outokumpu

Outokumpu Oyj is a group of companies headquartered in Helsinki, Finland, producing stainless steel, employing 10,785 employees in more than 30 countries.

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Petersburg National Battlefield

Petersburg National Battlefield is a National Park Service unit preserving sites related to the American Civil War Siege of Petersburg (1864–65).

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Phase response

In signal processing, phase response is the relationship between the phase of a sinusoidal input and the output signal passing through any device that accepts input and produces an output signal, such as an amplifier or a filter.

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Polish mine detector

The Mine detector Mark I was a metal detector for landmines developed during World War II.

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Portable Antiquities Scheme

The Portable Antiquities Scheme (PAS) is a voluntary programme run by the United Kingdom government to record the increasing numbers of small finds of archaeological interest found by members of the public.

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Prospecting

Prospecting is the first stage of the geological analysis (second – exploration) of a territory.

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Rapiscan Systems

Rapiscan Systems is an American privately held company that specialises in walk-through metal detectors and X-ray machines for screening airport luggage and cargo.

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Rebar

Rebar (short for reinforcing bar), collectively known as reinforcing steel and reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and hold the concrete in compression.

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Ringlemere Cup

The Ringlemere Gold Cup is a Bronze Age vessel found in the Ringlemere barrow near Sandwich in the English county of Kent in 2001.

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Scheduled monument

In the United Kingdom, a scheduled monument is a "nationally important" archaeological site or historic building, given protection against unauthorised change.

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Second Battle of El Alamein

The Second Battle of El Alamein (23 October – 11 November 1942) was a battle of the Second World War that took place near the Egyptian railway halt of El Alamein. With the Allies victorious, it was the watershed of the Western Desert Campaign. The First Battle of El Alamein had prevented the Axis from advancing further into Egypt. In August 1942, Lieutenant-General Sir Bernard Law Montgomery took command of the Eighth Army following the sacking of General Claude Auchinleck and the death of his replacement Lieutenant-General William Gott in an air crash. The Allied victory turned the tide in the North African Campaign and ended the Axis threat to Egypt, the Suez Canal and the Middle Eastern and Persian oil fields via North Africa. The Second Battle of El Alamein revived the morale of the Allies, being the first big success against the Axis since Operation Crusader in late 1941. The battle coincided with the Allied invasion of French North Africa in Operation Torch, which started on 8 November, the Battle of Stalingrad and the Guadalcanal Campaign.

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Silver

Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.

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Site of Special Scientific Interest

A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of Man.

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Slack Farm

Slack Farm (15 UN 28) is an archaeological site of the Caborn-Welborn variant of the Mississippian culture.

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St Andrews

St Andrews (S.; Saunt Aundraes; Cill Rìmhinn) is a town on the east coast of Fife in Scotland, 10 miles (16 km) southeast of Dundee and 30 miles (50 km) northeast of Edinburgh.

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Staffordshire Hoard

The Staffordshire Hoard is the largest hoard of Anglo-Saxon gold and silver metalwork.

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Stirling torcs

The Stirling torcs make up a hoard of four gold Iron Age torcs, a type of necklace, all of which date to between 300 and 100 BC and which were buried deliberately at some point in antiquity.

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Tennessee Valley Authority

The Tennessee Valley Authority (TVA) is a federally owned corporation in the United States created by congressional charter on May 18, 1933, to provide navigation, flood control, electricity generation, fertilizer manufacturing, and economic development to the Tennessee Valley, a region particularly affected by the Great Depression.

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Transmitter

In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.

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Treasure Act 1996

The Treasure Act 1996 is an Act of Parliament designed to deal with finds of treasure in England, Wales and Northern Ireland.

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Treasure hunting

Treasure hunting is the physical search for treasure.

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UK Detector Finds Database

The UK Detector Finds Database is an initiative by some members of the metal-detecting community in the United Kingdom to promote good practice within the hobby.

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West Bagborough Hoard

The West Bagborough Hoard is a hoard of 670 Roman coins and 72 pieces of hacksilver found in October 2001 by metal detectorist James Hawkesworth near West Bagborough in Somerset, England.

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World War II

World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.

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References

[1] https://en.wikipedia.org/wiki/Metal_detector

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