Exact(8)
Advection of fluid properties such as density is done by following the motion of the front.
Mr. Roth pulled a laser pointer from his pocket, and as he moved the laser's green dot across the wall, a line of what looked like thick, drippy paint lit up its surface, roughly following the motion of his hand.
The Hubble Space Telescope has even allowed astronomers to weigh it; by following the motion of a companion star spotted orbiting close by, astronomers calculated that the Polaris is seven times heavier than the Sun.
Positron emission particle tracking, generally known as PEPT, is an imaging method for following the motion of a single tracer particle in a dense medium; this particle may be as small as 100 μm.
The method was tested by following the motion of several passive and active surfaces evolving under the action of specified fields of flow, while performing occasional regridding to ensure adequate spatial resolution.
Strange things came out of her: long tones with deep warpings of pitch, figuratively following the motion of the tune — woozy, old-head eccentricity, as if she were channeling Don Byas or Harold Ashby, players who found their stride 70 years before her — and she finished with more arpeggios, but here she sliced them up, interrupting them with melody.
Similar(51)
If a moving light suddenly appears in the field of view, and if its rate of movement is less than about 30° per second, the response of the eyes is remarkably efficient; a saccade brings the eyes on target, and they follow the motion at almost exactly the same angular velocity as that of the target; inaccuracies in following lead to corrective saccades.
This can follow the motion of the heart muscle as it contracts.
As he drew, the bird followed the motion of his arm through the glass, feinting at him.
In his elastic, stretched-out improvisations, he never relied on restating the theme or obviously followed the motion of the chords.
It was also found, at long distances, that the motion of the ground surface follows the motion of the bedrock.
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