Sentences with phrase «measuring changes in the light»

By measuring changes in the light reflected from the clouds, they found that the clouds appear to wax and wane in prevalence over a 27 - day cycle.

The distance to quasars, as well as to most galaxies, is established by measuring a change in their light known as a redshift.

«Our techniques overcome these problems using laser - based technologies that probe interfaces of interest by focusing an intense light source on the surface and measuring changes in the light collected after interaction.

The particle soot absorption photometer collects aerosol particles on a substrate and measures the change in light transmission relative to a reference filter.

Not exact matches

The tiny sensors, which consist of infrared light - emitting diodes (LEDs) coupled with a sensitive light detector, measure infinitesimal gradations in light in human tissue, due to changing blood volume in the microvasculature as blood circulates through the body — a process that follows in rhythm with the beating of the heart.

They are measured by the variation in brightness to the time allowed between each change, This measures the distance to objects 10s of millions of light years across.

When you use a measuring cup, the moisture in the air, the way you scoop the flour, and whether it was compacted or light and airy changes day to day.

One day after Governor Cuomo and legislative leaders announced major changes in the state's tax code, lawmakers, who are voting on the measure, are busy portraying the deal in the best possible light.

Coupled with software to reduce assorted stellar background noise, it could measure light changes down to 20 parts per million, making it more than sensitive enough to detect an Earth - size planet around a sunlike star in an orbit as large as Earth's.

«Depending on the camera's configuration, we can measure either the brightness or color of the emitted light across the bandage or the change in brightness over time,» Li said.

I wanted to see the electrons move, not just to explain their motion by measuring a change of light transmission and reflection in the material,» said Prof Keshav Dani, leader of Unit.

The first can be measured by studying changes in the wavelength of light, called Doppler shifts, as objects move toward or away from Earth.

Another key measure appears to be pupillary reactivity, the ability of the eye's pupils to change diameter in response to light.

Such instruments don't actually watch stars jiggle in the sky; instead they precisely measure the color of the star's light, which becomes bluer or redder as a planet tugs its star closer to or farther from Earth, similar to the Doppler shift that changes the pitch of an ambulance's siren as it approaches and speeds past.

It measures blood flow to the brain by sending light signals from sensors mounted in a 3 - pound headcap, then producing images of blood oxygen changes — representing brain activity — by recording the absorption of light at different colors.

For this research brain activity is also being recorded using a technique called functional near infrared spectroscopy (fNIRS), which uses light to measure changes in blood concentration in the prefrontal cortex, it is a non-invasive and highly portable technique meaning it can be easily interchanged between car and simulator.

Nick Sundt of WWF says if turning down White House lights wasn't possible for security reasons, the Administration could highlight climate change impacts around the country in a special event, promote energy - efficiency measures, or generally rally Americans to participate in an event that began with 2.2 million people in Sydney in 2007 and involved millions more last year in 35 countries.

The researchers measured the current change directly, but not resulting changes in the OLED's light output — changes so small they aren't detectable with the naked eye.

Now a new report published in the current issue of the journal Nature describes a light source measuring only tens of millimeters across that changes color according to temperature.

This summer, LeBourgeois launched a five - year, $ 2.5 million study funded by the National Institutes of Health, in which her research team goes into the homes of volunteer families, exposes children to varying intensities of light and collects saliva samples to measure changes in melatonin levels and the timing of the biological clock.

The job market is highly competitive, leaving many aspiring astronomers changing fields while in graduate school, sticking it out in postdocs that seem to be measured in light years, or working in education or some other nonresearch field.

In another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserIn another experiment, he measured the frequency of an optical transition in cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin cesium atoms (a change in their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin their state that absorbs or emits light at a precise frequency) using a mode - locked laser to span the difference in frequency between two CW laserin frequency between two CW lasers.

Tracking software builds a 3 - D model of the operator's head using infrared lighting, then measures and analyzes changes in head position as well as eye closure rate.

Changes in the light's direction can be measured with a photodetector and converted into a measure of physical force.

Using observations from the very sensitive instrument, the X-shooter spectrograph on the Large Telescope, VLT in Chile, we measured the galaxy's spectrum and from that calculated its redshift, i.e. the change in the light's wavelength as the object recedes from us.

The original configuration of LIGO was sensitive enough to detect a change in the lengths of the 4 - kilometer arms by a distance one - thousandth the diameter of a proton; this is like accurately measuring the distance from Earth to the nearest star — over four light - years — to within the width of a human hair.

Similarly, Jenkins et al. (2016) measured EMG amplitudes in maximum voluntary isometric contractions (MVICs) over 30, 50 and 100ms, and also reported no differences in the changes achieved by heavy load and light load groups.

Year 4 Science Assessments Objectives covered: Recognise that living things can be grouped in a variety of ways Explore and use classification keys to help group, identify and name a variety of living things in their local and wider environment Recognise that environments can change and that this can sometimes pose dangers to living things Describe the simple functions of the basic parts of the digestive system in humans Identify the different types of teeth in humans and their simple functions Construct and interpret a variety of food chains, identifying producers, predators and prey Compare and group materials together, according to whether they are solids, liquids or gases Observe that some materials change state when they are heated or cooled, and measure or research the temperature at which this happens in degrees Celsius (°C) Identify the part played by evaporation and condensation in the water cycle and associate the rate of evaporation with temperature Identify how sounds are made, associating some of them with something vibrating Recognise that vibrations from sounds travel through a medium to the ear Find patterns between the pitch of a sound and features of the object that produced it Find patterns between the volume of a sound and the strength of the vibrations that produced it Recognise that sounds get fainter as the distance from the sound source increases Identify common appliances that run on electricity Construct a simple series electrical circuit, identifying and naming its basic parts, including cells, wires, bulbs, switches and buzzers Identify whether or not a lamp will light in a simple series circuit, based on whether or not the lamp is part of a complete loop with a battery Recognise that a switch opens and closes a circuit and associate this with whether or not a lamp lights in a simple series circuit Recognise some common conductors and insulators, and associate metals with being good conductors

Using a technology called functional Near - InfraRed Spectroscopy (fNIRS), which uses infrared light to track changes in blood oxygen in different parts of the brain to provide a measure of what brain regions are becoming more activated (consuming more oxygen) during certain tasks, the investigation will compare the brain patterns of children with ASD and typical children who have similar imitation scores and eyetracking patterns, to determine whether children with ASD process the same imitation tasks differently from typically developing children, at the level of their brain activity.

These measurement actually take distance in account, they don't care of the angle of a cone of light or its intensity per se, If you want you can consider them as a measure of the results of all the defined above as they will indicate how illuminated the target surface is and its what changes when we say that one headlight is brighter than the other

And the new Honda Fit looks to carry on the carmaker's tradition of incremental, measured improvements during every generational change — it manages to be bigger on the inside, smaller on the outside, sit atop a lighter basic structure all while being endowed with a little more horsepower, a bit more style, more feature content and a sixth gear in the still - available manual transmission.

The key will be in enlarging the native Color Gamut and then dynamically changing the display's color management and intensity scales with the measured Ambient Light level in order to automatically compensate for reflected glare and image wash out from Ambient Light as discussed in our 2014 Innovative Displays and Display Technology and SID Display Technology Shoot - Out articles.

The key will be in dynamically changing the display's color management and intensity scales with the measured Ambient Light in order to automatically compensate for reflected glare and image wash out from ambient light as discussed in our 2014 Innovative Displays and Display Technology and SID Display Technology Shoot - Out artiLight in order to automatically compensate for reflected glare and image wash out from ambient light as discussed in our 2014 Innovative Displays and Display Technology and SID Display Technology Shoot - Out artilight as discussed in our 2014 Innovative Displays and Display Technology and SID Display Technology Shoot - Out articles.

While present and future climate changes pose serious threats to our coastal zones and resources, Surfrider's current beach health indicators do not completely measure environmental quality or assess the status of coastal management in light of climate change impacts.

The strategy is due to be reviewed in the light of a report by the Intergovernmental Panel on Climate Change (IPCC) later this year, which is considering what measures are needed to achieve the 1.5 C goal of the Paris Agreement.

Countries, states, cities, and companies are taking action, partly out of concern about climate change, but also because such action is in their own economic interest — either directly (through money - saving efficiency measures like LED street lights) or indirectly (by saving lives now cut short by air pollution).

This post reviews the Cancun outcome through an ethical lens in light of the overall responsibility of those nations that are exceeding their fair share of safe global emissions in regard to their duties: (a) to reduce greenhouse gas emissions to levels necessary to prevent harm to others, (b) to reduce greenhouse gas emission to levels consistent with what is each nation's fair share of total global emissions, and (c) to provide financing for adaptation measures and other necessary responses to climate change harms for those who are most vulnerable and least responsible for climate change.

Read / Purchase the Report Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation (2011) TRB Special Report 307: Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation examines the potential for policies to yield major changes in transportation energy use and emissions trends by policy measures targeting cars and light...

Although it's impossible to measure and thus speculative, I think there should be some consideration of how companies, directors and officers may have changed their conduct in light of current market conditions and prior civil and criminal litigation.

Jan 2017 — July 2017 Right at Home — Seattle, WA Junior Caregiver • Assisted with ADL tasks such as ambulation, bed mobility, and positioning, moving, eating and toileting • Helped clients with performing domestic tasks and errands • Planned and prepared healthy meals and assisted clients in feeding • Performed light housekeeping, laundry, linen changing and shopping tasks • Measured and recorded vitals and temperatures • Maintained the written record of expenses • Reported any changes in client's condition to the supervisor