When the concrete cracks, acoustic waves are generated, which are
measured using sensors.
Not exact matches
But by simply
using the iPhone's camera and its built - in
sensors, programmers without extensive experience in computer vision or other complicated difficult technologies can make augmented - reality tape -
measuring apps.
S.M.T.H. (short for Send Me To Heaven)
uses the phone's accelerometer
sensors to
measure how high the phone travels.
Using the company's
sensors and software, an American Leak technician could detect a leak in less than an hour, instead of having to spend days
measuring water levels with a bucket.
There's the new M8 co-processor, which tracks your activity
using the phone's myriad
sensors, including a barometer to
measure elevation changes.
This location - based tech involves the
use of
sensors and other proximity technologies to
measure people's movements, whether it's within a store or as a result of an ad.
Moving to something you hopefully never have to
use in the office, the BACtrack Mobile Breathalyzer is exactly what you'd expect: a
sensor for
measuring how drunk you are that wirelessly delivers its results to an app on your iOS (or Android) device.
For example, NuData
measures the pressure of a user's keystrokes
using input
sensors PC and mobile devices are equipped with that detect such subtle things, explains Giasson.
There is also a pill that contains a
sensor to
measure temperature, pressures and pH levels inside the body, as well as an eco-friendly printed battery that can be
used in electronic greeting cards and interactive packaging and then thrown away safely.
With a focus on constant improvement of practices and adoption of the latest farming and winemaking technologies, McManis Family Vineyards» water
use efficiency
measures in the vineyard include the
use of soil moisture
sensors, flow meters and distribution uniformity tests; while their winery recycles water and averages one gallon of water to produce one gallon of wine.
Until very recently, impact
sensors - accelerometers
measuring the forces which, when transmitted to the brain, cause sports - related concussions - were only
used by scientists in conducting research.
Once attached to a player's helmet (a hockey version is available now, versions for football, lacrosse, and ski and snowboard helmets will be introduced in 2012) The ShockboxTM
sensor measures the G - Force of a hit to the helmet from any direction, and then sends the data wirelessly via Bluetooth to the athletic trainer, coach or parent's smart phone to alert them when the athlete suffers a traumatic head impact that may be concussive so they can be removed from the game or practice for evaluation on the sideline
using standard concussion assessment tools, such as the Standardized Assessment of Concussion, Sports Concussion Assessment Tool (SCAT2) or King - Devick test.
It
uses a super accurate
sensor to
measure the water 5 times per second and quickly tells you what you need to know.
The system
uses the Head Case Impact
Sensor, a small, affordable device that is inserted into a helmet, to monitor and
measure head impacts.
In the study, Olshansky and colleagues
use the number of steps taken daily — a
measure collected by almost all wearable
sensors — and show how,
using scientifically verified formulas, the step data can be translated into
measures of health risk.
These include the development of a biochemical
sensor that can continuously and accurately
measure different substances released by the organ - like system, as well as enhancements that allow the
use of multiple physical
sensors, which monitor features such as temperature, oxygen levels, and pH values.
Explosive eruptions are far too violent to
measure directly
using sensors or aircraft, says Darcy Ogden at Stanford University in California, so the finding could be a useful way of discovering a plume's velocity, density and pressure.
PhD student Joana Guerreiro has taken part in developing a
sensor, which - by
using nanoscience - can
measure how we experience the feeling of dryness in wine.
To put it simply, the
sensor is a kind of mini-mouth that
uses salivary proteins to
measure the sensation that occurs in your mouth when you drink wine.
Dagdeviren designed a flexible and stretchable
sensor that
uses nanoribbons to generate small charges to
measure skin's elasticity.
A more recent application
used a whole fleet of smartphone
sensors — including the gyroscope, accelerometer, light
sensor and magnetism -
measuring magnetometer — to guess PINs.
The Kansas State University - developed system
uses an airflow
sensor to
measure and control the airflow rate into each piston in real time.
What is new is
using it to create a
sensor that can
measure an effect rather than just a number of molecules.
In order to describe the mechanism of a membrane
sensor which
measures the degree of lipid saturation in the yeast cell, the researchers
used genetic and biochemical methods and simulated the motions and underlying forces of membrane lipids over a period of a few milliseconds by means of extensive molecular dynamic simulations.
Sensors placed around the outer sphere and inside the sodium were
used to map the magnetic field, while ultrasound beams
measured the rate of flow of the fluid
using the Doppler effect.
«Does it make sense to
measure the quality of air we breathe via many tiny, distant satellite
sensors at the elevation of a skyscraper, or by
using one or several
sensors in close proximity to the nose?
At four sites in the Amazon, the team
used cameras to monitor leaf changes throughout the canopy and CO2 -
measuring sensors to
measure shifts in photosynthesis.
The researchers suggest that their blood test serves as a cheap and simple option to pre-select individuals from the general population for further testing by these more invasive and costly methods to exclude the falsely positive subjects.The blood test developed by Gerwert and colleagues
uses a technology called immuno - infrared
sensor to
measure distribution of pathological and healthy structures of amyloid - beta.
For the past 10 years, the Camera Culture group at MIT's Media Lab has been developing innovative imaging systems — from a camera that can see around corners to one that can read text in closed books — by
using «time of flight,» an approach that gauges distance by
measuring the time it takes light projected into a scene to bounce back to a
sensor.
Researchers at Wageningen experimented with a combination of laser technology and chemical knowledge, coming up with a
sensor consisting of one single molecule that is a few hundred times more accurate than existing devices
used to
measure nano - forces on the molecular level.
Described in the March 5 issue of Nature Communications, the technique
uses lasers coupled with force
sensors, digital cameras and advanced computer algorithms to peer inside and
measure the forces between neighboring particles in 3 - D.
«The device
uses microwaves to
measure the distance between the
sensor and the bridge, much like radar does,» says Albert Migliori, a Los Alamos physicist.
There's a strong need for expanded
use of technology that can clean water without the
use of chemicals, says Thomas Harmon, an associate engineering professor at the University of California, Merced, and co-founder of the Center for Embedded Network Sensing (CENS), a research group that specializes in
using wireless
sensors to, among other things,
measure and monitor water pollution.
They then
measured the friction inside the individual patches
using pressure
sensors.
The new set - up differs from other types of thin - metal
sensors currently in
use, the authors note, because it detects molecules directly instead of
measuring indirect changes caused by the presence of a chemical.
The researchers
used sensors to
measure force on the volunteers» hips, ankles, and knees as they walked in high heels or barefoot, and they analyzed a videotape of the women walking.
The group
used novel
sensors that stick like barnacles to the sea floor — allowing them to survive Ivan's fury — to
measure wave height by monitoring water pressure.
The microclimate has been recorded with various wireless monitoring systems, including the
use of balloons to elevate the
sensors, together with infrared thermography, hygrometry and electrical resistivity devices to
measure the two critical parameters for conservation: temperature and humidity.
The EPOC detects brain activity noninvasively
using electroencephalography (EEG), a
measure of brain waves, via external
sensors along the scalp that pick up the electrical bustle in various parts of the furrowed surface of the brain's cortex, a region that handles higher order thoughts.
Brill and his research colleagues — Peter Bushnell of Indiana University South Bend; Timothy Elton of Bangor University, Wales; and Hamish Small of VIMS — conducted their studies
using «automated intermittent - flow respirometry,» in which individual crabs are placed in a closed container and their oxygen usage
measured every second
using fiberoptic and fluorescent
sensors.
Plus, this cofferdam effort preempted an ROV effort
using sonar and acoustic
sensors that would have more precisely
measured the flow of oil and natural gas into the sea.
The electron spin resonance was shown to differ in the presence of helium and oxygen gases, meaning the technique could be
used in a new type of
sensor to detect and
measure gases.
Another set of
sensors measure electrical conductivity, which Burger says can be
used as a proxy for
measuring nitrate.
For example, broadband wireless signals could be
used to integrate information from
sensors already in the car that
measure oil pressure, tire pressure, temperature and other conditions.
That money would go to a variety of specific instruments, from a
sensor to
measure the impact of solar irradiance to a thermal infrared
sensor that can be
used to manage water resources.
The telemetric eggs, sized and painted to look just like whooping crane eggs, continually
measure their ambient temperature and humidity, record how often the parent turns the eggs, and
use a light
sensor to detect when the eggs are being sat upon.
The team's skin patch instead supplies a series of smaller
measured doses as needed by
using a tremor - detecting
sensor.
Scientists have
used satellite - mounted
sensors to indirectly
measure vegetative growth around the globe for decades.
Other apps would be
used as a «
sensor kit» to
measure temperature and humidity, something that might be
used to teach people about the heat island effect in their hometowns.
Using data gathered in visible and near - infrared wavelengths by
sensors on a NASA / National Oceanic and Atmospheric Administration satellite, researchers compared the average intensity of nighttime lights across the southern United States in December of 2012 and 2013 with the average
measured in non-December months from January 2012 through autumn of this year.