Current Seismic Sensors News and Events

Current Seismic Sensors News and Events, Seismic Sensors News Articles.
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Concept for a new storage medium
Physicists from Switzerland, Germany and Ukraine have proposed an innovative new data storage medium. The technique is based on specific properties of antiferromagnetic materials that had previously resisted experimental examination. (2021-02-22)

Twist-n-Sync: Skoltech scientists use smartphone gyroscopes to sync time across devices
Skoltech researchers have designed a software-based algorithm for synchronizing time across smartphones that can be used in practical tasks requiring simultaneous measurements. This algorithm can essentially help turn several devices into a full-fledged network of sensors. (2021-02-22)

New sensor paves way to low-cost sensitive methane measurements
Researchers have developed a new sensor that could allow practical and low-cost detection of low concentrations of methane gas. Measuring methane emissions and leaks is important to a variety of industries because the gas contributes to global warming and air pollution. (2021-02-22)

Past earthquakes triggered large rockslides in the Eastern Alps
Geologists from the University of Innsbruck shed new light on a long-lasting debate about the trigger mechanism of large rockslides. Lake mud in two Alpine lakes in Tyrol reveal that rare strong earthquakes are the final cause of multiple, prehistoric rockslides in the Eastern Alps. The steep rock slopes were degraded by a series of prehistoric earthquakes, larger than any of the historically documented events in the region of the past ~1000 years. The study has now been published in the Journal Nature Communications. (2021-02-16)

Novel flexible terahertz camera can inspect objects with diverse shapes
Scientists at Tokyo Institute of Technology (Tokyo Tech) and RIKEN have developed a flexible, free-standing, and versatile terahertz (THz) camera patch. This novel camera overcomes the limitations of the conventional THz cameras that are bulky and rigid. With its high sensitivity, adaptability, and ease of filming irregularly shaped objects, it is a potential tool for effective quality control of complex devices. (2021-02-16)

New skin patch brings us closer to wearable, all-in-one health monitor
Engineers at the University of California San Diego have developed a soft, stretchy skin patch that can be worn on the neck to continuously track blood pressure and heart rate while measuring the wearer's levels of glucose as well as lactate, alcohol or caffeine. It is the first wearable device that monitors cardiovascular signals and multiple biochemical levels in the human body at the same time. (2021-02-15)

Biosensors monitor plant well-being in real time
Researchers at Linköping University, Sweden, have developed biosensors that make it possible to monitor sugar levels in real time deep in the plant tissues - something that has previously been impossible. The information from the sensors may help agriculture to adapt production as the world faces climate change. The results have been published in the scientific journal iScience. (2021-02-11)

Seismic surveys using fin whale songs
Fin whale song - one of the strongest animal calls in the ocean - can be used as a seismic source for probing the structure of Earth's crust at the seafloor, researchers report. (2021-02-11)

The songs of fin whales offer new avenue for seismic studies of the oceanic crust
The songs of fin whales can be used for seismic imaging of the oceanic crust, providing scientists a novel alternative to conventional surveying. (2021-02-11)

Tests reveal cybersecurity vulnerabilities of common seismological equipment
Seismic monitoring devices linked to the internet are vulnerable to cyberattacks that could disrupt data collection and processing, say researchers who have probed the devices for weak points. (2021-02-10)

Can current smartphone technology tell you when a pandemic might come calling?
UC San Diego researchers find that an optical tool already embedded in many smartphones can accurately diagnose blood-oxygen levels and help monitor respiratory disease in patients, particularly when they are quarantined at home. (2021-02-09)

3D-printed spectrometer on a 100 x100 μm² footprint
The miniaturisation of spectroscopic measurement devices opens novel information channels in medical science or consumer electronics. Scientists of the University of Stuttgart, Germany, developed a 3D-printed miniature spectrometer with a volume of 100 × 100 × 300 μm³ and a spectral resolution of up to 10 nm in the visible range. This spectrometer can be manufactured directly onto camera sensors, and a parallel arrangement allows for quick (''snapshot'') and low profile, highly customizable hyperspectral cameras. (2021-02-08)

Two-phase material with surprising properties
Some materials can couple electrical and mechanical properties - this can lead to astonishing effects: New materials have been developed, consisting of both crystalline and amorphous regions. In these special polymers, the electro-mechanical coupling suddenly disappers - scientits at TU Wien have found out how. (2021-02-08)

New quantum receiver the first to detect entire radio frequency spectrum
A new quantum sensor can analyze the full spectrum of radio frequency and real-world signals, unleashing new potentials for soldier communications, spectrum awareness and electronic warfare. (2021-02-04)

New piezoelectric material remains effective to high temperatures
Piezoelectric materials hold great promise as sensors and as energy harvesters but are normally much less effective at high temperatures, limiting their use in environments such as engines or space exploration. However, a new piezoelectric device developed by a team of researchers from Penn State and QorTek remains highly effective at elevated temperatures. (2021-02-03)

Air-guiding in solid-core optical waveguides: A solution for on-chip trace gas spectroscopy
We demonstrate an air-suspended waveguide that exhibits exceptional field delocalization and an external field confinement of 107 %, providing a stronger interaction with the surrounding air than a free-space beam. Operating at mid-infrared wavelengths, the waveguide is an ideal building block of next-generation on-chip sensors for sensitive and specific trace gas detection by tunable diode laser absorption spectroscopy (TDLAS). (2021-02-02)

Biosensors require robust antifouling protection
Some promising biosensors and medical devices work well within pristine laboratory environments but may stop working once exposed to real-world conditions. A thick layer of foulants will quickly cover biosensors, and there is no good way to revive them once they quit working. Essentially, a biosensor is only as good as its antifouling properties. In APL Materials, researchers review a variety of approaches developed to combat fouling. (2021-02-02)

Textile sensor patch could detect pressure points for amputees
A soft, flexible sensor system created with electrically conductive yarns could help map problematic pressure points in the socket of an amputee's prosthetic limb, researchers from North Carolina State University report in a new study. (2021-02-02)

Threads that sense how and when you move? New technology makes it possible
Engineers have developed a thread-based sensor capable of monitoring the direction, angle of rotation and degree of displacement of the head. The design is a proof of principle that could be extended to measuring movements of other limbs by sensors attached like tatoos to the skin. (2021-01-29)

New technology to detect bitter almonds in real time
Incorporating NIRS technology to almond analysis allows for quantifying amygdalin levels, the compound that causes the nut's bitter taste, on an industrial scale. (2021-01-29)

Skoltech team developed on-chip printed 'electronic nose'
Skoltech researchers and their colleagues from Russia and Germany have designed an on-chip printed 'electronic nose' that serves as a proof of concept for low-cost and sensitive devices to be used in portable electronics and healthcare. (2021-01-28)

New biosensors quickly detect coronavirus proteins and antibodies
Researchers have designed protein-based biosensors that glow when mixed with targeted molecules, such as components of the pandemic coronavirus or specific COVID-19 antibodies. This development could allow for faster, more widespread testing in the near future. Similar biosensors could be designed to detect medically relevant human proteins such as Her2 (a biomarker for some breast cancers) and Bcl-2 (which has clinical significance in some other cancers), as well as a bacterial toxin and antibodies that target Hepatitis B virus. (2021-01-28)

Going Organic: uOttawa team realizing the limitless possibilities of wearable electronics
uOttawa Professor Benoît Lessard and his team are developing carbon-based technologies which could lead to improved flexible phone displays, make robotic skin more sensitive and allow for wearable electronics that could monitor the physical health of athletes in real-time. (2021-01-27)

Continuous monitoring of proteins a game-changer for patients with deteriorating health
A world-first discovery by Australian researchers could become a game-changer for patients at risk of rapid health deterioration, such as heart complications, stroke, sepsis and cancer. Researchers developed an antibody as a biosensor, to continuously monitor rapid changes in the concentration of EGFR, a protein present on cancer cells and in body fluids. (2021-01-25)

GEFS: Searching beyond seismology for earthquake precursors
In this special issue, EPJ Special Topics proposes the Global Earthquake Forecasting System (GEFS): the first collaborative initiative between multi-disciplinary researchers devoted to studying a diverse array of non-seismic earthquake precursors. (2021-01-25)

With new design, stretchable electronics perform better under strain
Researchers have created stretchable electronics that are less compromised by deformation. They also created several circuit elements with the design, which could lead to even more types of stretchable electronics. (2021-01-25)

Innovations through hair-thin optical fibres
Scientists at the University of Bonn have built hair-thin optical fibre filters in a very simple way. They are not only extremely compact and stable, but also colour-tunable. This means they can be used in quantum technology and as sensors for temperature or for detecting atmospheric gases. The results have been published in the journal ''Optics Express''. (2021-01-20)

Semiconductor chip that detects exhaled gas with high sensitivity at room temperature
The research team at Toyohashi University of Technology developed a testing chip using semiconductor micro-machining that can detect volatile gasses in exhaled breath in ppm concentrations at room temperature. The testing chip, which is formed in the size of a few square millimeters with semiconductor micro-machining technology, is expected to contribute to telehealth as an IoT gas sensor that can easily be used in the home for breath tests. (2021-01-19)

Researchers trace geologic origins of Gulf of Mexico 'super basin' success
The Gulf of Mexico holds huge untapped offshore oil deposits that could help power the U.S. for decades. According to researchers at The University of Texas at Austin, the basin's vast oil and gas reserves are the result of a remarkable geologic past. Only a fraction of the oil has been extracted and much remains buried beneath ancient salt layers, just recently illuminated by modern seismic imaging. (2021-01-15)

High-sensitivity nanophotonic sensors with passive trapping of analyte molecules in hot-spots
Optical sensing which captures fingerprint information of chemical or biological substances with light, plays a crucial role in many areas including environmental sensing, medical diagnostics and homeland security. Scientists from University at Buffalo demonstrated an optical sensor design which utilizes nano-scale trenches to passively concentrate and trap trace analytes in a solution, leading to the capability of detecting picogram level biomolecules such as glucose and amino acids. The devices also achieved effective trapping of nano-particles. (2021-01-13)

How to keep drones flying when a motor fails
Robotics researchers at the University of Zurich show how onboard cameras can be used to keep damaged quadcopters in the air and flying stably -- even without GPS. (2021-01-13)

How does your computer smell?
A keen sense of smell is a powerful ability shared by many organisms. However, it has proven difficult to replicate by artificial means. Researchers combined biological and engineered elements to create what is known as a biohybrid component. Their volatile organic compound sensor can effectively detect odors in gaseous form. They hope to refine the concept for use in medical diagnosis and the detection of hazardous materials. (2021-01-13)

In new Skoltech research, 'e-nose' and computer vision help cook the perfect chicken
Skoltech researchers have found a way to use chemical sensors and computer vision to determine when grilled chicken is cooked just right. These tools can help restaurants monitor and automate cooking processes in their kitchens, and perhaps one day even end up in your 'smart' oven. (2021-01-13)

Perceiving prosthesis as lighter thanks to neurofeedback
Transmitting sensory signals from prostheses to the nervous system helps leg amputees to perceive prosthesis as part of their body. While amputees generally perceive their prostheses as heavy, this feedback helps them to perceive the prostheses as significantly lighter, ETH researchers have shown. (2021-01-08)

Researchers repurpose 'damaged' polymer optical fibers to precisely measure magnetic fields
Optical fiber sensors can measure strain, temperature, pressure, and many other physical parameters along the fibers, but they are currently immune to electromagnetic noise -- interference from other external electric or magnetic interactions. It is a desirable trait, until the effect of the electromagnetic field on the fibers needs to be measured. An international research team has used what was previously considered a 'damaged' part of an optical fiber to develop such a magnetic field sensor. (2021-01-07)

The revelation of the crustal geometry of the western Qilian Mountains, NE Tibetan Plateau
The western Qilian Mountains in the northeastern margin of the Tibetan Plateau is an ideal place to test the crustal deformation mechanisms of the plateau. The study revealed the detailed crustal deformation pattern in the junction of western Qilian Mountains and the Jiuxi Corridor. This result has a great significant to understand the crustal deformation of the plateau. This study was reported in the SCIENCE CHINA Earth Sciences. (2021-01-06)

Surveys identify relationship between waves, coastal cliff erosion
Researchers have always known that waves were an important part of the cliff erosion process, but they haven't been able to separate the influence of waves and rain before. After decades of debate over the differing roles that both play, new findings provide an opportunity to improve forecasts. (2020-12-28)

New model reveals previously unrecognized complexity of oceanic earthquake zones
University of Tsukuba researchers constructed a state-of-the-art model based on seismic data from the January 2020 Caribbean earthquake. The model revealed considerable complexity in rupture speed and direction, related to a bend in the fault that triggered several rupture episodes. The analysis revealed previously unrecognized complexity of rupture processes and fault geometry in ocean faults that had been assumed to be simple and linear, with implications for future earthquake modeling and a possible interaction with seafloor evolution. (2020-12-21)

Melody of an Alpine summit falling apart
The summit of the 2592 metres high Hochvogel is sliced by dangerous fracture which continues to open. It is difficult to judge when the summit might crack. Researchers at the GFZ German Research Centre for Geosciences and the TU Munich are developing a new monitoring method. Seismic sensors measure the summit's natural vibration. The pitch of the mountain changes depending on the tension in the rock allowing unique conclusions about the development of a landslide. (2020-12-21)

Taking greenhouse gas analysis on the road, er, rails
Since 2014, the University of Utah has maintained research-grade suites of air quality instruments installed on light rail trains that move throughout the Salt Lake Valley every day. These mobile sensors, researchers estimate in a new study, cover the same area as 30 stationary sensors, providing the Salt Lake Valley with a highly cost-effective way to monitor its greenhouse emissions and fill in gaps in emissions estimates. (2020-12-17)

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