The Moiré effect creates arrows that ' point ' towards an imaginary line marking the hazard.

Similar Moiré effect beacons can be used to guide mariners to the centre point of an oncoming bridge ( here you would position the vessel so that you could see vertical lines-denoting the ' centreline ').

* A live demonstration of the Moiré effect that stems from interferences between circles

Moiré is where an interference pattern is produced by fine scene detail beating with the line ( or even pixel ) structure of the device used to analyse or display the scene.

Moiré patterns are commonly seen on television screens directly when a person is wearing a shirt or jacket of a particular weave or pattern, such as a houndstooth jacket, due to sampling problems in the television camera.

As the person moves about, the Moiré pattern is quite noticeable.

An example of spatial aliasing is the Moiré pattern one can observe in a poorly pixelized image of a brick wall.

The diamond-shaped patterns in the red part are Moiré patterns, and are an artifact of the pixelization of the image ( the red-black strips are smaller than the size of a pixel ; the color of the pixel is assigned according to the value of the function at the center of the pixel, rather than the average of values over the pixel ).

The diamond-shaped patterns at the right side of the image are Moiré patterns, and are an artifact of the pixelization of the image ( the strips are smaller than the size of a pixel ; the color of the pixel is assigned according to the value of the function at the center of the pixel, rather than the average of values over the pixel ).

* Wah Chang, the artist who designed and built several props in the 1960s for Star Trek, used moiré patterns found in the Edmund Scientific Educator's and Designer's Moiré Kit for the texture used in the Starfleet communicator props.

Moiré patterns are often an undesired artifact of images produced by various digital imaging and computer graphics techniques, for example when scanning a halftone picture or ray tracing a checkered plane ( the latter being a special case of aliasing, due to undersampling a fine regular pattern ).

Jazz is good not only because it promotes wholeness but because of its decided sexual effect.

The general effect is tragic.

He is a dreamer of the good society with a plan to put into effect, and he is an individual craftsman with something to make for himself and the people of his time.

The interesting thing about Mr. Lyford's approach, and the approach of the contributors to The Agreeable Autocracies ( Oceana Publications, 1961 ) to the situation of American civilization, is that it is concerned with comprehending the psychological relationships which are having a decisive effect on American life.

If `` Jack the Courtier '' is really to be taken as Swift, the following remark is obviously Steele's comment on Swift's change of parties and its effect on their friendship: `` I assure you, dear Jack, when I first found out such an Allay in you, as makes you of so malleable a Constitution, that you may be worked into any Form an Artificer pleases, I foresaw I should not enjoy your Favour much longer ''.

In this domain the simple fact of coexistence in the same local, national, and world community is enough to guarantee that we cannot refrain from having some effect, large or small, upon Gentile-Jewish relations.

In the calm which follows the reading of a poem, for example, is the effect produced by the enforced quiet, by the musical quality of words and rhythm, by the sentiments or sense of the poem, by the associations with earlier readings, if it is familiar, by the boost to the self-esteem for the semi-literate, by the diversion of attention, by the sense of security in a legitimized withdrawal, by a kind license for some variety of fantasy life regarded as forbidden, or by half-conscious ideas about the magical power of words??

He is, rather, concerned with the effect on society and he wants the poets to join his fight for justice.

In Krutch's view, this is one way to show how literature may be moral in effect without employing the explicit methods of a moralist.

If Krutch is correct, tragedy may have quite the opposite effect.

This is not to deny the existence of pogroms and ghettos, but only to assert that these horrors have had an effect on the nerves of people who did not experience them, that among the various side effects is the local hysteria of Jewish writers and intellectuals who cry out from confusion, which they call oppression and pain.

We submit that this is a most desirable effect of the law -- and one of its principal aims.

Since appeals to morality, to humanity, and to sanity have had such small effect, perhaps our last recourse is the deterrent example.

The effect of radiation is cumulative over the years -- and on to succeeding generations.

A recent study on radiation exposure by the AEC's division of biology and medicine stated: `` The question of the biological effect of ( radiation ) doses is not considered '' herein.

A 5-percent royalty is paid on any production during the period the contract is in effect ; ;

A significant effect discovered during the study is the existence of Prandtl numbers reaching values of more than unity in the nitrogen dissociation region.

Another effect discovered is the large coefficient of thermal diffusion tending to separate nitrogen from the oxygen when temperature differences straddling the nitrogen dissociation region are present.

The pre-1960 rate of Federal participation with respect to any State's base allotment, as well as the adjusted rate in effect during the 1960 - 1962 period, is designated by the statute as that State's `` adjusted Federal Share ''.

The deposit of rupees to the account of the Government of the United States of America in payment for the commodities and for ocean transportation costs financed by the Government of the United States of America ( except excess costs resulting from the requirement that United States flag vessels be used ) shall be made at the rate of exchange for United States dollars generally applicable to import transactions ( excluding imports granted a preferential rate ) in effect on the dates of dollar disbursement by United States banks, or by the Government of the United States of America, as provided in the purchase authorizations.

Once he has been identified, however, a new melody is used to accompany his narrative, a bleak motif with barren octaves creating a rather ancient effect:

Sometimes, the appellate court finds a defect in the procedure the parties used in filing the appeal and dismisses the appeal without considering its merits, which has the same effect as affirming the judgment below.

In a genre such as farce or parody, anagrams as names may be used for pointed and satiric effect.

In the hands of a skilled composer or arranger, the natural harmonics can be used to haunting melancholy effect or, by contrast, to create a charming pastoral flavor, as in the lilting " Ranz des Vaches " and works by Brahms, Rossini, and Britten cited below.

It is therefore not unlikely that some Gnostics used amulets, though the confident assertions of modern writers to this effect rest on no authority.

( As a side effect, this provision means that MPs seeking to resign from parliament can get around the age-old prohibition on resignation by obtaining a low-salary sinecure in the pay of the Crown ; while several offices have been used for this purpose, two are currently in use.

The effect is heightened when the individuals were aware the personality description was being used to discuss astrology.

He also used his gravelly voice to great effect as an advertising voice-over artist.

A predecessor of the WW2 German " 88 " anti-aircraft gun, the WWI German 77 mm anti-aircraft gun, was truck-mounted and used to great effect against British tanks.

Stand-alone, file based, multi-track recorders from Sound Devices, This of course results in a reduction in audio quality, but a variety of techniques are used, mainly by exploiting psychoacoustics, to remove the data that has least effect on perceived quality.

Phasers are often used to give a " synthesized " or electronic effect to natural sounds, such as human speech.

This effect is ubiquitous in karaoke machines and is often used to assist pop singers who sing out of tune.

It is also used intentionally for aesthetic effect in such pop songs as Cher's Believe and Madonna's Die Another Day.

Ring modulation, also known as amplitude modulation, is an effect made famous by Doctor Who's Daleks and commonly used throughout sci-fi.

Jimmy Page of Led Zeppelin used this effect in the bridge of " Whole Lotta Love ".

Selective serotonin reuptake inhibitors ( SSRIs ) are the class of antidepressants commonly used as the first-line treatment for depression because they have a favorable side effect profile and low toxicity.

The reference he used to this effect was the Earth's magnetic field direction, which at that time was believed to be invariant.

Standard addition can be applied to most analytical techniques and is used instead of a calibration curve to solve the matrix effect problem.

* In music recording, autocorrelation is used as a pitch detection algorithm prior to vocal processing, as a distortion effect or to eliminate undesired mistakes and inaccuracies.

Potassium supplementation should be used with caution and under medical supervision owing to the hyperkalemic effect of ACE inhibitors.

Only a proper, artist-grade acrylic gesso should be used to prime canvas in preparation for painting with acrylic ( however acrylic paint can be applied to raw canvas if so desired without any negative effect or chemical reaction as would be the case with oils ).

The tangent galvanometer was used to measure currents using this effect, where the restoring force returning the pointer to the zero position was provided by the Earth's magnetic field.

It was first used on psychiatric patients because of its powerful calming effect ; at the time it was regarded as a non-permanent " pharmacological lobotomy ".

Lobotomy at the time was used to treat many behavioral disorders, including psychosis, although its effect was to markedly reduce behavior and mental functioning of all types.