Sentences with phrase «measuring time and distance»

But actually measuring those times and distances to the accuracy needed to detect differences of billionths of a second (1 nanosecond = 1 billionth of a second) is no easy task.

Not exact matches

The time that has elapsed between U and V is measured by means of the space - time distance between their respective subregions.

The main idea is that, to state how the space - time distance between B and C is measured, we need the theory of extension; but, to state how B and C are temporally ordered, there is no need for that theory.

We can accurately measure cosmic events — say, the «distance» or «interval» between any two sightings of a planet — only by means of a combination of space and time, and not by either of these separately.

I believe that the acceleration due to gravity is proportional to one over the distance squared in weak gravitational fields, because it has been measured literally millions of time and not violated.

Suppose that a measuring rod is selected, and that this definition of «the shortest distance,» or «a straight line» is given: «that path along which the measuring rod, under standard conditions or properly corrected, is laid down the least number of times.»

In short, a rider's time is measured against the world record for the distance and category and the rider is awarded points on a sliding scale: the closer they get to their corresponding world best, the more points they get.

During that time, no equipment will be used that emits noise above 70 dBA max measured at an offset distance of 50 feet if the work is on land and at the nearest point of the shoreline if the work is in the water.

Axons can measure several hundred times the diameter of the cell body, and, in addition to rapid transmission of electric impulses, they also transport molecular materials over these distances.

A tiny accelerometer measures running distance and speed and reports the data back, in real time, via an Apple iPod, iTouch or, as of a few months ago, a small wristband.

The Optrima camera instead illuminates points in the scene with a series of laser pulses, and measures return time to determine distance, like radar.

The VLBA may be able to use the same technique to measure the distance and movement of galaxies even 10 times farther away than M33.

By measuring the timing for returned signals, it can calculate the distance between the moon's surface and the orbiter and hence, shape of the surface.

The best way to determine those numbers was to measure the distances to extremely remote galaxies and how much their light had been stretched over time.

The global maps were created from data obtained by an instrument called the Mars Orbiter Laser Altimeter (MOLA), which bounces an infrared laser beam off the surface and calculates the distance from the spacecraft by measuring the time it takes to detect the reflected pulse.

The spooky action apparently ignores distance and the flow of time; in theory, particles can be entangled after their entanglement has already been measured.

The InSAR satellites use radar to illuminate large areas of the Earth's surface, measuring how the distance between the satellite structure and the ground surface changes over time.

Imagine sending a pulse of light flashing out into space, and measuring its distance d at a time t.

Lyman - a radiation is redshifted at very great distances; the redshift is caused by the expansion of the universe and is a measure of distance and look - back time.

To observe ultrafast electron motions in space and time, one needs to measure the position of electrons in the material with a precision of the order of 0.1 nm (0.1 nm = 10 - 10 m), roughly corresponding to the distance between neighboring atoms, and on a sub-100 fs time scale (1 fs = 10 - 15s).

Despite these vastly different time spans, their results agree with findings from the Lunar Laser Ranging Experiment that has been measuring the distance between Earth and the Moon since NASA's Apollo missions in the 1960s and has been able to monitor possible variations in G at very high precision.

Research published in Nature Communications shows how scientists can measure, in real - time, the time that it takes and the separation distance of two atoms when the bond is broken in the simplest diatomic molecule.

«We knew that overall a lot of star formation went on at these redshifts,» Evans says, referring to a measure of cosmological distance and time.

This is done by measuring the distance to exploding stars called supernovae, and how quickly they are receding due to the expansion of space - time.

When it did, he could measure the distance the tongue went, the elapsed time, and the speed and the acceleration at any given time.

Further assume that a GPS receiver on the ground can measure the distance between a receiver and a satellite for at least three satellites at the same time.

The distance to the meteor can be determined by measuring the time lapse between the transmitted and reflected radar signals.

«ALMA's sensitivity and wide wavelength range mean we could make our measurements in a few minutes per galaxy — about one hundred times faster than previous telescopes,» said Axel Weiss (Max - Planck - Institut für Radioastronomie in Bonn, Germany), who led the work to measure the distances to the galaxies.

«ALMA's sensitivity and wide wavelength range mean we could make our measurements in just a few minutes per galaxy — about one hundred times faster than before,» said Axel Weiss (Max - Planck - Institut für Radioastronomie in Bonn, Germany), who led the work to measure the distances to the galaxies.

A light - year is a measure of both time and distance.

Pulsation timing measures the change in distance between the signal source and the telescope by using the arrival times of signals that are emitted periodically by the source.

It bounces a laser pulse off a target, and then measures the time (and distance) each pulse traveled.

This marks the first time the distance to an FRB has been measured and its point of origin located.

In one of those odd confluences of timing, McQueen's movie opens after two other films this year — Fruitvale Station and Lee Daniels» The Butler — that examine race in America from numerous angles, measuring strides taken and distances to be covered.

Skills used include speed distance and time calculations, measuring and map reading, scale work among others.

Lifeguard # 2 was very methodically measuring out the distance between his umbrellas, carrying a few out at a time, putting them up and then calmly walking back to the storage hutch for more to add to his line of umbrellas and chairs.

(P5.13 lesson) 4.5.6.3.1 - Stopping distance (P5.14 lesson) 4.5.6.3.2 - Reaction time (P5.14 lesson) 4.5.6.3.3 - Factors affecting braking distance 1 (P5.14 lesson) 4.5.6.3.4 - Factors affecting braking distance 2 (P5.14 lesson) 4.5.7.1 - Momentum is a property of moving objects (P5.15 lesson) 4.5.7.2 - Conservation of momentum (P5.15 lesson) Paper 2 topic 2 (4.6 - Waves) 4.6.1.1 - Transverse and longitudinal waves (P6.1 lesson) 4.6.1.2 - Properties of waves (wave calculations)(P6.1 lesson) 4.6.1.2 - Properties of waves - required practical - make observations to identify the suitability of apparatus to measure the frequency, wavelength and speed of waves in a ripple tank and waves in a solid and take appropriate measurements.

The solution enables students to understand and interpret two - dimensional drawings to create three - dimensional models; build, test troubleshoot and revise designs to improve robot performance; Gain practical, hands - on experience using mathematical concepts such as estimating and measuring distance, time and speed.

We can speak confidently of our measurements of things like time and distance, but measuring gains in cognitive skill is much more difficult.

In the process, they generate data by measuring marble roll distances multiple times, pool their data, and enter it on line plots to better see, understand, and analyze how manipulating the different variables affects the outcomes.

Angular velocity is simply the rotational speed of of an object on its axis and is measured by rotational distance over time, such as radians or degrees per second.

There's even a set of performance timers that allow the driver to measure their 0 - to - 60 and 0 - to - 100 times, braking distance, 1/8 - and 1 / 4 - mile times, and more.

For instance, the app consists of different modes to access G - Meter for measuring lateral forces; assess driving times, distances, and fuel economy; post via social networking sites; stream music and so on.

But the contrast between the two can be measured in more than just distance and time.

The collapsing of time and distance in this collection of models is echoed by the vehicles - also used in terrorism, but referencing as well Öğüt's ongoing interest in distance, time, and speed, measures by which our relationship to reality is shaped and through which disparate lands are connected.

Sander used to measure the distance between himself and his subjects with string; it both distanced him from his sitters and at the same time bound them to him.

I can determine the standard uncertainty for all the measured variables from statistics It is falsifiable — i can move a body at a certain velocity for a certain time and measure the traveled distance If the traveled distance does not fit with calculated distance within the uncertainty calculated by using the international standard Guide to the expression of Uncertainty in Measurement the model might be wrong.

I can measure both distance, velocity and time in SI units.

knowing the distance between the 2 structures and the time it took between the occurrence of solar perpendicularity at each site allows you to measure speed of earth's rotation and also the circumference of the earth at that latitude.

They report larger variations in measured CO2 with per - cm vertical distance in younger ice earlier in an ice core clathrate zone, and smaller variations in older ice at deeper core, consistent with increasing homogeneity with time.