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Instrument for detecting variations in the Earth's magnetic field
A magnetic anomaly detector (MAD) is an instrument used to detect minute variations in the Earth's magnetic field. The term typically refers to magnetometers
Magnetic_anomaly_detector
Early radio wave detector
The magnetic detector or Marconi magnetic detector, sometimes called the "Maggie", was an early radio wave detector used in some of the first radio receivers
Magnetic_detector
Device which extracts info from a modulated radio frequency current or voltage
called a detector. A variety of different detector devices, such as the coherer, electrolytic detector, magnetic detector and the crystal detector, were
Detector_(radio)
Electronic instrument
A magnetic chip detector is an electronic instrument that attracts ferromagnetic particles (mostly iron chips). It is mainly used in aircraft engine oil
Magnetic_chip_detector
Electronic instrument which detects the presence of metal nearby
of a metal detector consists of an oscillator producing an alternating current that passes through a coil producing an alternating magnetic field. If a
Metal_detector
Early radio receiver component
generating a varying magnetic field which pulls and pushes the earphone diaphragm, causing it to vibrate and produce sound. The crystal detector consisted of
Crystal_detector
Non-destructive testing method
magnetize the steel, a powerful magnet is used. In a Magnetic Flux Leakage (MFL) tool, a magnetic detector is placed between the poles of the magnet to detect
Magnetic_flux_leakage
Van used to detect the presence of a television set
TV detector. The original magnetic low-frequency detector system was also suffering because TV design had improved to radiate less of a magnetic field
TV_detector_van
Device that measures magnetism
navigational device Intermagnet Magnetic anomaly detector – Instrument for detecting variations in the Earth's magnetic field Magnetic immunoassay – Diagnostic
Magnetometer
Italian electrical engineer and inventor (1874–1937)
reported Newfoundland reception. During 1902, Marconi also developed a magnetic detector, which subsequently replaced the coherer in much of the equipment
Guglielmo_Marconi
particular electromagnetic receiver, called the Marconi magnetic detector or hysteresis magnetic detector, was developed further by Marconi and was successfully
Invention_of_radio
Device that controls current between electrodes
improvement of the detector, a device that extracts information from a modulated radio frequency. Marconi had developed a magnetic detector, which was less
Vacuum_tube
Using magnetic instruments adapted from airborne magnetic anomaly detectors developed during World War II to detect submarines, the magnetic variations
Earth's_magnetic_field
The Mark I, also known as the SLAC-LBL Magnetic Detector, was a particle detector that operated at the interaction point of the SPEAR collider from 1973
Mark_I_(detector)
Early radio receiver component
compared to other detectors available at the time such as the magnetic detector and the coherer. It was one of the first rectifying detectors, able to receive
Electrolytic_detector
circuits with their coils magnetically coupled, called a resonant transformer (oscillation transformer) or "loose coupler". A detector, which produced a pulse
History_of_radio_receivers
G-class submarine of the United States
1918, G-4 shifted from New London to Newport, where she conducted magnetic detector experiments with Owera. The submarine also conducted practice approaches
USS_G-4
Medical imaging technique
Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to generate pictures of the anatomy and the physiological processes inside
Magnetic_resonance_imaging
Particle detector on the International Space Station
Aircraft with the AMS Detector aboard starting from GVA airport. Retrieved May 8, 2024 – via www.youtube.com. "Waiting for the Alpha Magnetic Spectrometer".
Alpha_Magnetic_Spectrometer
Hypothetical particle with one magnetic pole
enter a particle detector with much probability. Some condensed matter systems propose a structure superficially similar to a magnetic monopole, known
Magnetic_monopole
CERN LHC experiment
ATLAS is the largest general-purpose particle detector experiment at the Large Hadron Collider (LHC), a particle accelerator at CERN (the European Organization
ATLAS_experiment
Physics apparatus designed to study neutrinos
neutrino detectors must be very large to detect a significant number of neutrinos. Neutrino detectors are often built underground, to isolate the detector from
Neutrino_detector
Elementary subatomic particle with negative electric charge
then-new electron–positron colliding ring, called SPEAR, and the LBL magnetic detector. They could detect and distinguish between leptons, hadrons, and photons
Tau_(particle)
New Zealand physicist and chemist (1871–1937)
Magazine, January 1904, pages 279 to 284. Bateman equation Hydrophone Magnetic detector Neutron generator Royal Society of New Zealand Rutherford (unit) Rutherfordine
Ernest_Rutherford
G-class submarine of the United States
depth charge explosions. On 12 September, Thetis experimented with a magnetic detector while G-2 lay on the bottom in 86 ft (26 m) of water, and in November
USS_G-2
Electrical device which utilizes a sensor to detect nearby motion
A motion detector is an electrical device that utilizes a sensor to detect nearby motions (motion detection). Such a device is often integrated as a component
Motion_detector
Barrier between electrically conducting materials
one magnetic material to another. This can serve as a basis for a magnetic detector. In superconducting tunnel junctions, two superconducting electrodes
Tunnel_junction
Particle accelerator at CERN, Switzerland
Intersection-6, were state-of-the-art magnetic detector systems developed by ISR teams. Almost all collider detectors are now based on larger and improved
Intersecting_Storage_Rings
Radiation detector holder
medical facility, such as a hospital or clinic, a gantry holds radiation detectors, a radiation source, or both, used to diagnose or treat a patient's illness
Gantry_(medical)
Device used to detect, track, and/or identify ionising particles
Antarctic Muon And Neutrino Detector Array (AMANDA) Cryogenic Dark Matter Search (CDMS) Super-Kamiokande XENON Alpha Magnetic Spectrometer (AMS) DAMPE (DArk
Particle_detector
French physicist (1868–1917)
detector Electrolytic detector Foster–Seeley discriminator Grid-leak detector Hot wire barretter Magnetic detector Plate detector Wunderlich detector
Camille_Tissot
Research institute in Novosibirsk, Russia
0 GeV SND - Spherical Neutral Detector for particle physics experiments at VEPP-2000 CMD-3 – Creogenic Magnetic Detector for particle physics experiments
Budker Institute of Nuclear Physics
Budker_Institute_of_Nuclear_Physics
Device purported to detect lies
A polygraph, often incorrectly referred to as a lie detector, is a device that measures and records several clinical biomarkers, such as blood pressure
Polygraph
Device that determines whether notes or coins are genuine or counterfeit
known as validators or acceptors, paper currency detectors scan paper currency using optical and magnetic sensors. Upon validation, the validator will inform
Currency_detector
Future electron–positron collider in Novosibirsk, Russia
registration and measurements will done using a universal high performance magnetic detector with the field strength of 1–1.5 tesla. The SCT project is one Megascience
Super_Charm-Tau_factory
Device used to locate framing studs in buildings
on capacitive sensing, improving both performance and adoption. Magnetic stud detectors use magnets to locate metal fasteners—such as nails or screws—that
Stud_finder
Particle physics experiment
accuracy of similar experiments. A new detector was installed in 2015, but as of 2017 it also did not find any magnetic monopoles, setting new limits on their
MoEDAL_experiment
City in California, United States
laboratory in Solstice Canyon without any structural steel to test magnetic detectors for satellites and medical devices. In 1991, most of the Malibu land
Malibu,_California
Class of scientific instruments
rotons in superfluids, magnetic bolometers, and other principles. Originally, astronomy pushed the development of cryogenic detectors for optical and infrared
Cryogenic_particle_detector
American scientist
SLAC's then-new e+ –e− colliding ring, called SPEAR, and the LBL magnetic detector. They could detect and distinguish between leptons, hadrons and photons
Martin_Lewis_Perl
Simple radio receiver circuit for AM reception
through the primary coil created a magnetic field which induced a current in the secondary coil which fed the detector. Both primary and secondary were
Crystal_radio
Obsolete type of non-volatile computer memory
memory is a type of non-volatile computer memory that uses a thin film of a magnetic material to hold small magnetized areas, known as bubbles or domains, each
Bubble_memory
Detector experiment at CERN
A Large Ion Collider Experiment (ALICE) is one of the nine detector experiments at the Large Hadron Collider (LHC). It is designed to study the conditions
ALICE_experiment
measuring their deflection in the magnetic field present in the detector. The three main outer layers were the electro-magnetic calorimeter (also called BGO
L3_experiment
reel (for fishing), the wave meter, the electric transformer, the magnetic detector, and an engine producing electromagnetic waves. Aurel Stodola (1859–1942)
List_of_Slovaks
Type of magnetometer
Nuclear Magnetic and Quadrupole Resonance and Magnetic Resonance Imaging. pp. 56–81. in Clarke & Braginski 2006 Aramaki, T. The SuperCDMS SNOLAB Detector Tower
SQUID
1746324. Characterization of Phoswich Scintillation Detectors for the Focal Plane Hodoscope of Magnetic Proton Recoil Spectrometers for Fusion Neutrons DIGITAL
Phoswich_detector
Particle detector designed to observe all decay products
In particle physics, a hermetic detector (also called a 4π detector) is a particle detector designed to register as many particles as possible produced
Hermetic_detector
Bearing which supports loads using magnetic levitation
A magnetic bearing is a type of bearing that supports a load using magnetic levitation. Magnetic bearings support moving parts without physical contact
Magnetic_bearing
Protein complex
quantitative readout using colorimetry, electrochemical fluorescence, or a magnetic detector. Subtypes of troponin (cardiac I and T) are sensitive and specific
Troponin
General-purposes experiment at the Large Hadron Collider
The magnetic field is confined by a steel 'yoke' that forms the bulk of the detector's weight at 12,500 t. An unusual feature of the CMS detector is that
Compact_Muon_Solenoid
Type of neutron star with a strong magnetic field
of neutron star with an extremely powerful magnetic field (~109 to 1011 T, ~1013 to 1015 G). The magnetic-field decay (or dissipation) powers the emission
Magnetar
effect sensor Hall probe Magnetic anomaly detector Magnetometer Magnetoresistance MEMS magnetic field sensor Metal detector Planar Hall sensor Radio direction
List_of_sensors
Slovak inventor, architect, botanist, painter and Catholic priest
interrupter"(1909) U.S. patent 917,104 "Magnetic waves detector"(1909) U.S. patent 930,780 "Magnetic detector" (1909) U.S. patent 1,001,975 "Apparatus
Jozef_Murgaš
Physical model of propagating energy
interferometer it will be detected by a photomultiplier or other sensitive detector only along one arm of the device, consistent with particle properties,
Electromagnetic_radiation
American experimental physics device (1985–2011)
The Collider Detector at Fermilab (CDF) experimental collaboration studies high energy particle collisions from the Tevatron, the world's former highest-energy
Collider_Detector_at_Fermilab
Local variation in the Earth's magnetic field
Anomaly Temagami Magnetic Anomaly Magnetic anomaly detector Enhanced Magnetic Model (EMM) Lunar swirls – patterns associated with lunar magnetic anomalies "Geomagnetism
Magnetic_anomaly
Assessment of statements to reveal deceit
Mitchener-Nissen, Timothy (2013). "Prospects of functional magnetic resonance imaging as lie detector". Frontiers in Human Neuroscience. 7: 594. doi:10.3389/fnhum
Lie_detection
Reconstructing the trajectories of charged particles in a particle accelerator
based on the interaction of charged particles with a detector material. As particles traverse a magnetic field, they follow curved paths due to the Lorentz
Tracking_(particle_physics)
Type of gamma-ray detector
A clover detector is a gamma-ray detector that consists of four coaxial N-type high-purity germanium (Ge) crystals, each machined to shape and mounted
Clover_(detector)
Phenomena in quantum physics
a right port, where a detector of neutrons with right magnetic moment is located, or upwards into a dark port with no detector (see picture). The neutrons
Quantum_Cheshire_cat
Electrical component
electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as electric motors, generators, inductors, electromagnets
Electromagnetic_coil
Mapping brain activity by recording magnetic fields produced by currents in the brain
coil as the detector. To reduce the magnetic background noise, the measurements were made in a magnetically shielded room. The coil detector was barely
Magnetoencephalography
American electronic surveillance strategy during the Vietnam War
MINISID, and a device designed to work with either called MAGID, a magnetic detector, designed to be triggered by amounts of metal as small as an infantry
Operation_Igloo_White
Degree to which a particle's spin aligns with a given direction
a given direction. This property may pertain to the spin, hence to the magnetic moment, of conduction electrons in ferromagnetic metals, such as iron,
Spin_polarization
Type of amplifier that emphasizes a specific frequency in a noisy signal
frequency, can still be reliably detected. It is essentially a homodyne detector followed by low-pass filter that is often adjustable in cut-off frequency
Lock-in_amplifier
Device which uses electromagnetic induction to sense objects
induction loop or detector coil. Most often this is physically a number of turns of insulated magnet wire wound around a high magnetic permeability core
Inductive_sensor
Sensor that detects nearby objects
radiation exposure Automatic faucets Motion detector Occupancy sensor Range imaging Time of flight detector O'Brien, Daniel J. (2021-03-22). "A guide for
Proximity_sensor
1922 physical experiment demonstrating that atomic spin is quantized
spatially-varying magnetic field, which deflected them before they struck a detector screen, such as a glass slide. Particles with non-zero magnetic moment were
Stern–Gerlach_experiment
a silicon microvertex detector and muon chambers. In addition, a solenoid provided a 1.43 T magnetic field. The ZEUS detector measured 12 m × 11 m ×
ZEUS_(particle_detector)
Remote observation of lightning strikes
A lightning detector is a device that detects lightning produced by thunderstorms. There are three primary types of detectors: ground-based systems using
Lightning_detector
Dark matter research project
operated at the Italian Gran Sasso National Laboratory, is a deep underground detector facility featuring increasingly ambitious experiments aiming to detect
XENON
Scientific instruments
electron detectors, both of which were first introduced to electron microscopy in the 2000s. A hybrid pixel detector, also known as a pixel array detector (PAD)
Detectors for transmission electron microscopy
Detectors_for_transmission_electron_microscopy
Helium leak detection instrument
A helium mass spectrometer or helium leak detector is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan
Helium_mass_spectrometer
Moroccan-Swiss Experimental Particle physicist
worked on ATLAS, then on NOMAD, (Neutrino Oscillation search with a MAgnetic Detector) which was designed to search for neutrino oscillation. His thesis
Kamal_Benslama
Used to measure spectral components of light
measured by detectors (photomultiplier tubes) at different characteristic wavelengths. As protons, electrons, and many other nuclei have a net magnetic moment
Spectrometer
experiment detectors. During fusion processes, electromagnets can be used to contain plasma. Superconducting electromagnets produce stronger magnetic fields
Technological applications of superconductivity
Technological_applications_of_superconductivity
Prolonged naval conflict between German submarines and the Allied navies during WWI
British Navy also experimented in Induction Loop technology, in which magnetic detector cables were laid along the sea floor in an effort to detect submarine
Atlantic U-boat campaign of World War I
Atlantic_U-boat_campaign_of_World_War_I
Method for interpreting data in digital storage systems
when there is a magnetic transition between bits) including changes in noise-spectrum with data-pattern. To this end, the Viterbi detector was modified such
Partial-response maximum-likelihood
Partial-response_maximum-likelihood
in many particle accelerator and particle detector designs. If a charged particle enters a uniform magnetic field, with the field orientated perpendicular
Rigidity_(electromagnetism)
Cardiac diagnostic method
allowing a magnetic map to be made, verifying the magnetic properties and source of the signal. However, the use of an inherently noisy coil detector discouraged
Magnetocardiography
Electric and magnetic fields produced by moving charged objects
physical field, varying in space and time, that represents the electric and magnetic influences generated by and acting upon electric charges. The field at
Electromagnetic_field
American physicist and academic
resonance imaging (MRI), in which distributed arrays of detectors are used to gather magnetic resonance images at previously inaccessible speeds. Sodickson
Daniel_K._Sodickson
Fake bomb detector
The ADE 651 is a fraudulent bomb detector produced by the British company Advanced Tactical Security & Communications Ltd (ATSC). It was claimed to detect
ADE_651
Common configuration for optical interferometry
toward the source is typically directed to some type of photoelectric detector or camera. For different applications of the interferometer, the two light
Michelson_interferometer
which sends a signal to the detector (or receive coil). The exciter coil is pumped with an AC current and emits a magnetic field. The field travels outwards
Remote_field_testing
Type of particle detector
projection chamber (TPC) is a type of particle detector that uses a combination of electric fields and magnetic fields together with a sensitive volume of
Time_projection_chamber
Spectroscopic technique based on change of nuclear spin state
Nuclear magnetic resonance (NMR) is a physical phenomenon in which nuclei in a strong constant magnetic field are disturbed by a weak oscillating magnetic field
Nuclear_magnetic_resonance
detector. There are two key aspects to effective neutron detection: hardware and software. Detection hardware refers to the kind of neutron detector used
Neutron_detection
Timing of substance within a medium
source and the detector. The sample should be immersed into the tube with holes and apertures for and against stray light to do magnetic experiments and
Time_of_flight
High-energy particle, mainly originating outside the Solar System
been possible since the first satellites in the late 1950s. Particle detectors similar to those used in nuclear and high-energy physics are used on satellites
Cosmic_ray
Electrical conductivity with exactly zero resistance
superconductors: materials where electrical resistance is exactly zero and magnetic fields are expelled from the material. Unlike an ordinary metallic conductor
Superconductivity
Particle physics experiment at CERN
silicon microvertex detector, a vertex detector, a jet chamber, and z-chambers (from the beam pipe out). The silicon microvertex detector and the vertex chamber
OPAL_experiment
Magnetic effect in insulators between ferromagnets
magnetoresistance (TMR) is a magnetoresistive effect that occurs in a magnetic tunnel junction (MTJ), which is a component consisting of two ferromagnets
Tunnel_magnetoresistance
Type of computer memory used from 1955 to 1975
In computing, magnetic-core memory is a form of random-access memory. It predominated for roughly 20 years between 1955 and 1975, and is often just called
Magnetic-core_memory
Surveying method, analyzing the magnetic properties of large regions from high altitudes
first performed in World War II to detect submarines using a Magnetic Anomaly Detector attached to an aircraft. This method is still widely used by military
Aeromagnetic_survey
Scanning microscopy using thin samples and transmitted electrons
in-plane magnetic induction of magnitude B S {\displaystyle B_{S}} . The beam deflection can then be imaged on a segmented or pixelated detector. This can
Scanning transmission electron microscopy
Scanning_transmission_electron_microscopy
Fast, high sensitivity, low noise electronic photon detector
Photomultiplier tubes (photomultipliers or PMTs for short) are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges of the
Photomultiplier_tube
PLUTO was a detector for experimental high-energy particle physics at the German national laboratory DESY in Hamburg. It was operated from 1974 to 1978
PLUTO_detector
Device measuring ionizing radiation
Semiconductor detectors find broad application for radiation protection, gamma and X-ray spectrometry, and as particle detectors. In semiconductor detectors, ionizing
Semiconductor_detector
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