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The most common type of metal detector is a hand-held metal detector or coil-based detectors using oval-shaped disks with built-in copper coils. The search coil works as sensing probe and must be moved over the ground to detect potential metal targets buried underground.
FLOs maintain close links with local metal detecting societies and have contributed to a thaw in relationships between the detectorists and archaeologists who often previously disdained one another. Finds are photographed, often from multiple angles, and a text description is recorded. The photographs are made available under an open licence.
Californium is a silvery-white actinide metal [12] with a melting point of 900 ± 30 °C (1,650 ± 50 °F) and an estimated boiling point of 1,743 K (1,470 °C; 2,680 °F). [13] The pure metal is malleable and is easily cut with a knife. Californium metal starts to vaporize above 300 °C (570 °F) when exposed to a vacuum. [14]
Laser IED Detection: Scientists are learning to adapt lasers to detect, or defeat, IEDs. [19] Mine detectors: A portable, hand-held or worn device to detect buried IEDs. There are many different models from several different companies currently in use worldwide by U.S. and coalition forces.
This is a list of historically significant items found by metal detecting method, only excluding magnet fishing finds, since magnet fishing is usually considered a distinctively different and separate hobby from traditional metal detecting.
Magnetometers can be used as metal detectors: they can detect only magnetic metals, but can detect such metals at a much greater distance than conventional metal detectors, which rely on conductivity. Magnetometers are capable of detecting large objects, such as cars, at over 10 metres (33 ft), while a conventional metal detector's range is ...
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