While subsonic flow flowing through a converging duct ( narrowing down from a wide diameter to a smaller diameter in the direction of the flow ) will experience an increase in velocity, a supersonic flow through an identical duct will experience a decrease in velocity.

While this example has been rectilinear-corrected by software, high quality wide-angle lens es are built with optical rectilinear correction. The system uses curving perspective lines instead of straight converging ones to approximate the image on the retina of the eye, which is itself spherical, more accurately than the traditional linear perspective, which uses straight lines and gets very strangely distorted at the edges.

While converging on Goldman's headquarters, James and Gary face many formidable foes, including Judgment consisting of an imp-like monster Zeal and his giant, headless, axe-wielding puppet Kuarl ; The Hierophant, an aquatic beast which heads an assault on Venice's waterways and Central Plaza ; segmented serpent-like beasts known as The Tower ; and Strength, a giant, chainsaw-wielding zombie which wounds Harry and chases James and Gary throughout the Roman Colosseum.

While five minutes ago the place had presented a scene of easy revelry, with Gyp Carmer a prominent figure, it was now as somnolent and dull as the day before payday.

While my memory holds with relentless tenacity, as I cannot too often stress, to my wrongs, when it comes to my shames, it gestures and jokes and toys with chronology like a prestidigitator in the hope of distracting me from them.

While with the Whiteman band Mercer met Jerry Arlen.

While Arlen and Mercer collaborated on Hot Nocturne, Mercer worked also with Arthur Schwartz on another film, Navy Blues.

While I was sitting at one of the rewrite telephones with my derby and my great beard, Arthur Brisbane whizzed in with some editorial copy in his hand.

While I fully agree with Sir Anthony's contention, I think that we must carry the analysis farther, bearing in mind that while common peril may be the measure of our need, the existence or absence of a positive sense of community must be the measure of our capacity.

While white is the coolest summer shade, there are lots of pastel hues along with tintable fabrics that will blend with any wardrobe color.

While some regression is inevitable, it is discouraged rather than encouraged so that the transference does not follow the stages of planned regression associated with certain casework adaptations of the psychoanalytic model for insight therapy.

While we had expected that compulsive children in the unstructured school setting would have difficulty when compared to those in the structured, we were surprised to find that the achievement of the high compulsives within the schools where the whole-word method is used in beginning reading compares favorably with that of the low compulsives.

While the phonemes can be very easily stated, no one is likely to be satisfied with the statement until phonemic occurrences can be related in some way to morphemic units, i.e. until the morphophonemics is worked out, or at least far enough that it seems reasonable to expect success.

While obliged to concede governments in East Europe allied with the Soviet Union instead of opposed to it, we thought we had preserved our social and economic system in East Europe.

While this influence is a complex matter, depending upon personality factors in the individual as well as upon his social-class experience, there probably are some general statements about social-class background and educational policy that can be made with a fair degree of truth.

While costs on this order are sometimes separately charged for in residential and commercial rates, in the form of a mere `` service charge '', they are more frequently wholly or partly covered by a minimum charge which entitles the consumer to a very small amount of gas or electricity with no further payment.

While Protogeometric vases usually turn up, especially outside Greece proper, together with as many or more examples of local stamp, these `` non-Greek '' patterns had mostly vanished by the later ninth century.

While talking with Julian M. Beall, Francisco Archuleta and Juan Marcus appeared, both heavily armed, and after watching the house for a while, rode away.

While we, as American artists, believe deeply in the universal character of all intellectual activity, we would be less than honest with you, or ourselves, if we failed to state a specific attitude toward our own society as well as the international community as a whole.

While man shares this procreative function with all his predecessors in the evolutionary process, he is the only animal with a true non-instinctive and conscious creative ability.

While accounts of the progress of the tsunami came in from various points in the Pacific ( Midway reported it was covered with nine feet of water ), the Hawaiian station made its calculations and notified the military services and the police that the first big wave would arrive at Honolulu at 23:30 Greenwich time.

While the city council suggested that the Legislative Council might perform the review, Mr. Notte said that instead he will take up the matter with Atty. Gen. J. Joseph Nugent to get `` the benefit of his views ''.

While we are filling outer space with scientific successes, for many the `` inner '' space of their soul is an aching void.

While in Asia, Aristotle traveled with Theophrastus to the island of Lesbos, where together they researched the botany and zoology of the island.

While `` better late than never '' may have certain merits, the posthumous award of the Nobel Prize for Peace to the late Dag Hammarskjold strikes me as less than a satisfactory expression of appreciation.

" While NASA went ahead with planning for Apollo, funding for the program was far from certain given Eisenhower's ambivalent attitude to manned spaceflight.

While a flood will kill most plants living low on the ground in a certain area, if there is rice there, it will thrive in the wet conditions.

While the term " anti-globalization " arose from the movement's opposition to free-trade agreements ( which have often been considered part of something called " globalization "), various participants contend they are opposed to only certain aspects of globalization and instead describe themselves, at least in French-speaking organisations, as " anti-capitalist ", " anti-plutocracy ," or " anti-corporate.

While Judah I was still living, Rav, having been duly ordained as teacher — though not without certain restrictions ( Sanhedrin 5a )— returned to Babylonia, where he at once began a career that was destined to mark an epoch in the development of Babylonian Judaism.

While in the view of most American academics the two were as diametrically opposed as good and evil, Sakharov believed that in this " tragic confrontation of two outstanding people ," both deserved respect, because " each of them was certain he had right on his side and was morally obligated to go to the end in the name of truth.

While the coast of BC and certain valleys in the south-central part of the province have mild weather, the majority of BC's land mass experiences a cold winter temperate to subarctic climate similar to the rest of Canada.

While the inning is still being played, this last scenario can cause a temporary situation where a run has already scored, but its earned / unearned status is not yet certain.

While containment of biological warfare transmission is less of a concern for certain criminal or terrorist organizations, it remains a significant concern for the military and civilian populations of virtually all nations.

While his building was still under construction late in 1854, Bunsen suggested certain design principles to the university's mechanic, Peter Desaga, and asked him to construct a prototype.

The difference is one of weight: While phylogenetic nomenclature bases the group on an ancestor with a certain trait, Linnaean taxonomy uses the traits themselves to define the group.

While the first application of the term " clipper " in a nautical sense is by no means certain, it seems to have had an American origin when applied to the Baltimore clippers of the late 18th century.

While abuses of this sort are no longer common, at certain times and in certain places, evangelism has veered into high-pressure coercion, in those instances causing significant ill-will.

While many Tories were strongly opposed to reform, the distributists in certain cases saw this not as conserving a legitimate traditional concept of England, but in many cases, entrenching harmful errors and innovations.

While some have strong political, scholarly, or philosophical orientations, others are more informal associations of teachers and students dissatisfied with certain aspects of traditional education.

While the RSA patent expired in 2000, there are patents in force covering certain aspects of ECC technology, though some argue that the Federal elliptic curve digital signature standard ( ECDSA ; NIST FIPS 186-3 ) and certain practical ECC-based key exchange schemes ( including ECDH ) can be implemented without infringing them.

While the bodies that proposed, argued, agreed upon and ultimately adopted existing international agreements vary according to each agreement, certain conferences, including 1972's United Nations Conference on the Human Environment, 1983's World Commission on Environment and Development, 1992's United Nations Conference on Environment and Development and 2002's World Summit on Sustainable Development have been particularly important.

While at the basic levels, meditation is geared toward relaxation, the practice of advanced meditators may be aimed toward the purpose of dividing one from their awareness of " self ," to a certain degree, and for a certain time.

While awaiting their food at The Brown Derby, a Hollywood restaurant, Lucy ( Lucille Ball ) and Ethel ( Vivian Vance ) argue over whether a certain portrait on a nearby wall is Shelley Winters or Judy Holliday.

While Fascism claimed that corporatism gave workers power alongside employer in workplaces in reality the concept of " Fuhrerprinzip " gave employers and State-appointed workplace managers absolute control over the workplace as dictated by the State-owned German Labor Front ; based on the Social Darwinist ideology that certain individuals are " gifted " and " born to rule ", employers thought to be part of that group.