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A Y-shaped twig or rod, or two L-shaped ones, called dowsing rods or divining rods are normally used, and the motion of these are said to reveal the location of the target material. The motion of such dowsing devices is commonly attributed to random movement, or to the ideomotor phenomenon , [ 7 ] [ 8 ] [ 9 ] a psychological response where a ...
The GT200 is a fraudulent "remote substance detector" that was claimed by its manufacturer, UK-based Global Technical Ltd, to be able to detect, from a distance, various substances including explosives and drugs.
Users would insert "programmed substance detection cards" to supposedly detect specific substances, which were claimed to absorb the vapors of those substances. However, investigations revealed that the product was incapable of detecting anything, essentially being a dowsing rod. The ADE 651 was used primarily by Iraqi security forces for ...
Many such devices contain non-functional circuitry or naively constructed approximations of radio transmitters. A few do have functional circuitry, putting out a weak signal with a function generator or a simple timer circuit, but are still largely useless in comparison with a coil-based metal detector; others have been found to contain intentionally obfuscated or completely superfluous ...
…There is a rather large community of people around the world that believes in dowsing: the ancient practice of using forked sticks, swinging rods, and pendulums to look for underground water and other materials. These people believe that many types of materials can be located using a variety of dowsing methods.
Print/export Download as PDF; ... Fraudulent detection devices (8 P) Pages in category "Dowsing"
The lead currently states that "The motion of dowsing rods is now generally attributed to the ideomotor phenomenon, a psychological response where a subject makes motions unconsciously. Put simply, dowsing rods respond to the user's accidental or involuntary movements." and offers it as an alternative explanation to the pseudoscience. Yet I ...
There are also some applications for inspecting rail tracks, rods and metal plate structures. Although guided wave testing is also commonly known as guided wave ultrasonic testing (GWUT) or ultrasonic guided waves (UGWs) or long range ultrasonic testing (LRUT), it is fundamentally very different from conventional ultrasonic testing .