This allows them to reduce the quantum noise coming from the atoms, and improve the sensitivity
of the magnetometer beyond the standard quantum limit.
Because of Voyager 2's great distance from the Sun and New Horizons» lack
of a magnetometer — an instrument that measures magnetic fields — it's not possible to say for certain if the particle changes detected by those spacecraft were caused by this particular CME.
If any wouldbe developers would care to write in and tells us what other genius applications there are to look forward to, courtesy
of the magnetometer, in the next 18 months, then we'd love to be impressed.
Not exact matches
From this, the Cassini
magnetometer team inferred that Enceladus must be a source
of ionized gas.
Tarduno and his team used a unique superconducting quantum interference device, or SQUID
magnetometer, at the University
of Rochester that provides a sensitivity ten times greater than comparable instruments.
A more recent application used a whole fleet
of smartphone sensors — including the gyroscope, accelerometer, light sensor and magnetism - measuring
magnetometer — to guess PINs.
«Our
magnetometers (magnetic field sensors) are highly sensitive and can reliably measure even the smallest
of changes in the ambient magnetic field,» explains Professor Uwe Hartmann.
And although some instruments on its 2 - ton, bus - sized body have faced trouble — one
of its two
magnetometers failed soon after it arrived at Saturn, necessitating intricate rolls to calibrate it — most have metronomically continued as Saturn's seasons shifted from spring to summer solstice during its 29.5 - year orbit.
Senator Dianne Feinstein, chairman
of the Senate Select Committee on Intelligence, told the Associated Press that the device was «a specific type
of bomb that is
of new design and very difficult to detect by
magnetometer».
Designed by Harvard researcher Zachary Manchester, about half the wafer consists
of a solar cell for generating electricity, and the rest includes a small microprocessor, a radio transceiver and
magnetometer, and a gyroscope for navigation and orientation.
This result is supported by the finding
of a small magnetic anomaly above the same spot during our
magnetometer survey.
INEL plans to construct a multiple -
magnetometer scanner that could be incorporated into the doorways
of a building.
Our studies would require a range
of technologies, such as acoustic echo sounders, a
magnetometer, subbottom acoustic profilers, a ground - penetrating radar, devices to recover sediment cores, an underwater television camera and a set
of GPS receivers to enable study teams to track their position with a resolution
of less than a meter.
An onboard
magnetometer will measure the depth and saltiness
of the ocean and a spectrometer will measure chemicals in Europa's uppermost layers
of ice.
For these studies, NIST developed a direct - current (DC)
magnetometer in which polarized light is used as a detector to measure the «spin»
of rubidium atoms induced by magnetic fields.
So Beck and colleagues trained
magnetometers on the earthen mound, which revealed a startling contrast between the magnetic properties
of the soil and unusual structural frames beneath it.
The goggles have accelerometers and
magnetometers to detect changes in the orientation
of the user's head — if the individual turns left, right, up or down, his or her view
of the virtual world pivots accordingly.
Researchers estimate that a SQUID
magnetometer of this type could detect a sub from 6 kilometres away, and Caplin says that with better noise suppression the range could be much greater.
The researchers, using ground - based
magnetometers, found a signature
of what's known as a substorm current wedge — one
of the major features
of a classic substorm.
The new
magnetometer, built by Xiaoming Xie and colleagues at the Shanghai Institute
of Microsystem and Information Technology, uses not one SQUID but an array
of them.
At the core
of AMPERE is a communications network with 66 Iridium satellites, each
of which has a
magnetometer capable
of monitoring Earth's magnetic field.
The research entitled «Network analysis
of geomagnetic substorms using the SuperMAG database
of ground - based
magnetometer stations» has just been published in the Journal
of Geophysical Research: Space Physics by a team
of researchers from the Centre for Fusion, Space and Astrophysics in the Department
of Physics at the University
of Warwick; The Department
of Physics and Technology, University
of Bergen, Bergen, Norway; and The Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA.
MAVEN's
magnetometer found a decrease in the occurrence
of electromagnetic waves excited by hydrogen ions, indicating a decrease in the amount
of hydrogen present.
These iron - rich minerals are far less than the width
of human hair in size, but produce a strong magnetic signal that can be easily measured by modern
magnetometers.
University
of Warwick researcher Professor Sandra Chapman, one
of the lead researchers, on the paper said: «The new SuperMAG data collection opened up the possibility
of finding patterns
of correlation between each pair
of all
of the
magnetometers, and studying how this changes in time.
The team used a sensitive
magnetometer to confirm that a powder
of the new oxide can absorb EM waves
of up to 182 GHz at room temperature.
«A warning message from our
magnetometer network developed by Trinity and the Dublin Institute for Advanced Studies notified me
of the onset
of a large geomagnetic storm as I watched the Saint Patrick's Day parade with my family,» according to Professor Peter Gallagher, head
of solar physics and space weather at Trinity.
In a standard rf
magnetometer, the atomic spins are allowed to evolve freely for some time under the influence
of this perturbation to allow the coherent buildup
of signal, before the change in the atomic state is detected.
SQUIDs are also
of considerable use in the research laboratory in specially designed voltmeters, in
magnetometers and susceptometers and in scanning SQUID microscopes.
In a study published in Physics Review Letters, and highlighted by APS Physics, ICFO researchers demonstrate a new technique for the coherent the detection
of radio frequency magnetic fields using an atomic
magnetometer.
The
magnetometer on board Mars Observer will search for a planetary field and scan the surface for remnants
of any field that may have existed.
Within just two weeks the team, armed with high - powered
magnetometers and ground - penetrating radar, discovered traces
of that putative timber ring — possibly the most important find on the site in half a century.
More recently, prior to several medium - to moderate - sized quakes in Peru, two sensitive
magnetometers recorded the same sort
of pulses.
For the Peruvian quakes, most
of the pulses sensed by the
magnetometers ranged between one - sixth and one - quarter
of a second long.
He and Kent used a bandsaw to trim the samples into sugar cube - size blocks and inserted them into a
magnetometer, which measured the polarity
of tiny grains
of the minerals hematite and magnetite contained in the sediment.
But on an early fly - by in February 2005, the spacecraft's
magnetometer «sensed something unusual going on with its magnetic field», says Cassini project scientist Linda Spilker
of the Jet Propulsion Laboratory (JPL) in Pasadena, California.
That ability to take seismic data or
magnetometer, all this different data, and create an understanding
of the various geological layers, and therefore say, «Okay, I think this 25th deposit probably extends out to there» and, you know, control all the things to be very precise.
A second key to the
magnetometer business's success was Narod's array
of other skills useful in running his corporation: «machine shop skills, computer skills, writing skills.
NASA, the Department
of Energy, the U.S. Navy, the University
of Washington, Stanford University, Boston University, and the Natural Environment Research Council, a European research collaborative, are among the many organizations and institutions that have come to him for
magnetometers.
The comet sounds were heard clearly by Rosetta's
magnetometer experiment for the first time in August, when Rosetta drew to within 62 miles (100 kilometers)
of 67P / C - G.
The Psyche spacecraft would orbit the huge metal asteroid for about 12 months, studying the topography, gravity, magnetic field and other surface features, and carry a suite
of instruments, including
magnetometer, imager, gamma ray and neutron spectrometer.
The spacecraft mapped Martian terrain with a laser altimeter, detected traces
of magnetic fields with its
magnetometer, and mapped at least 20 new impact craters between the time it started operations and the time it fell silent.
A
magnetometer would also study the moon's magnetic field which would allow scientists to determine the depth and salinity
of its ocean.
Cassini's Radio and Plasma Wave Science (RPWS) instrument was one
of two science instruments with sensors that poke out from the protective shield
of the antenna (the other being Cassini's
magnetometer).
When the Messenger flew close to the planet, its
magnetometer detected trace signals
of magnetization in the crust.
Group 1: Materials, Resonators, & Resonator Circuits A. Fundamental Properties
of Materials B. Micro - and Macro-Fabrication Technology for Resonators and Filters C. Theory, Design, and Performance
of Resonators and Filters, including BAW, FBAR, MEMS, NEMS, SAW, and others D. Reconfigurable Frequency Control Circuits, e.g., Arrays, Channelizers Group 2: Oscillators, Synthesizers, Noise, & Circuit Techniques A. Oscillators — BAW, MEMS, and SAW B. Oscillators - Microwave to Optical C. Heterogeneously Integrated Miniature Oscillators, e.g., Single - Chip D. Synthesizers, Multi-Resonator Oscillators, and Other Circuitry E. Noise Phenomena and Aging F. Measurements and Specifications G. Timing Error in Digital Systems and Applications Group 3: Microwave Frequency Standards A. Microwave Atomic Frequency Standards B. Atomic Clocks for Space Applications C. Miniature and Chip Scale Atomic Clocks and other instrumentation D. Fundamental Physics, Fundamental Constants, & Other Applications Group 4: Sensors & Transducers A. Resonant Chemical Sensors B. Resonant Physical Sensors C. Vibratory and Atomic Gyroscopes &
Magnetometers D. BAW, SAW, FBAR, and MEMS Sensors E. Transducers F. Sensor Instrumentation Group 5: Timekeeping, Time and Frequency Transfer, GNSS Applications A. TAI and Time Scales, Time and Frequency Transfer, and Algorithms B. Satellite Navigation (Galileo, GPS,...) C.Telecommunications Network Synchronization, RF Fiber Frequency Distribution D. All - optical fiber frequency transfer E. Optical free - space frequency transfer F. Frequency and Time Distribution and Calibration Services Group 6: Optical Frequency Standards and Applications A. Optical Ion and Neutral Atom Clocks B. Optical Frequency Combs and Frequency Measurements C. Ultrastable Laser Sources and Optical Frequency Distribution D. Ultrastable Optical to Microwave Conversion E. Fundamental Physics, Fundamental Constants, and Other Applications
Further, the orbiter's laser altimeter helped scientists create the best - ever topographic map
of the Red Planet, and readings from its
magnetometer indicate that Mars once had a global magnetic field, just like Earth.
Michele Dougherty, leader
of Cassini's
Magnetometer team from Imperial College London, provided an update on the team's progress in trying to determine whether Saturn's magnetic field has a detectable tilt.
Physicists at the U.S. Department
of Energy's Ames Laboratory are building a unique optical
magnetometer to probe magnetism at the nano - and mesoscale.
To help answer this question Juno will determine the content and mass
of Jupiter's core using its Gravity Science and
magnetometer instruments to measure Jupiter's gravitational and magnetic fields.