Although a lens can precisely focus at only one distance at a time, the decrease in sharpness is gradual on each side of the focused distance, so that within the DOF, the unsharpness is imperceptible under normal viewing conditions.

Although the theory of special relativity forbids objects to have a relative velocity greater than light speed, and general relativity reduces to special relativity in a local sense ( in small regions of spacetime where curvature is negligible ), general relativity does allow the space between distant objects to expand in such a way that they have a " recession velocity " which exceeds the speed of light, and it is thought that galaxies which are at a distance of more than about 14 billion light-years from us today have a recession velocity which is faster than light.

Although it is sometimes used as a ' distance metric ', KL divergence is not a true metric since it is not symmetric and does not satisfy the triangle inequality ( making it a semi-quasimetric ).

Although he failed to detect any parallax, thereby placing a lower limit on the distance to stars, he discovered another effect, stellar aberration, an effect which depends not on position ( as in parallax ), but on speed.

Although the Penny Black could be used to send a letter less than half an ounce anywhere within the United Kingdom, the Swiss did not initially adopt that system, instead continuing to calculate mail rates based on distance to be delivered.

Although printing news, messages, and other text at a distance is still universal, the dedicated teleprinter tied to a pair of leased copper wires was made functionally obsolete by the fax, personal computer, inkjet printer, broadband, and the Internet.

Although range finding underwater is performed at both sub-audible and audible frequencies for great distances ( 1 to several kilometers ), ultrasonic range finding is used when distances are shorter and the accuracy of the distance measurement is desired to be finer.

Although it can reach high speeds, its body cannot stand long distance running, because it is more suited to short bursts of speed.

Although their flight is fast, they are reluctant to fly any distance.

Although there are far fewer milk bars than there were during the 1970s and 80s due to changing shopping habits, most people living in suburban areas still have a milk bar within walking distance or a short drive of their home.

Although slow pitch was present at the 1933 World's Fair, the main course of action taken was to lengthen the pitching distance.

Although classic Amish quilts appear austere from a distance, the craftsmanship is often of the highest quality and feature lush quilting patterns that contrast with the plain background.

Although once in danger of disappearing, with only eleven pairs counted between 1986 and 1987, the population has grown to around 90 resident pairs today, many of which have shortened the distance and duration of their typical migrations to remain in the city nearly all year.

Although the distance from Quetta to Lahore is only, there is no direct track on this route because of the Sulaiman Range that lies in the east of Quetta.

Although the distance seems great, these areas are only separated by 7 miles of water.

Although the North Miami Beach boundaries once stretched to the Atlantic Ocean, this city on the Intracoastal Waterway no longer has any beaches within its city limits, although they are a short distance away across the inlet.

Although like most small rural cities of the Great Plains, Faith has declined in population, its distance from alternative locations for schools and businesses and its geographic location near county and reservation boundaries mean that it is unlikely to become a ghost town or see its institutions consolidated out of existence.

Although there is not a hospital within the city limits, Sweeny Community, Brazosport Regional, Matagorda Regional, and Angleton-Danbury Medical Center are all within a driving distance.

Although he managed to regain his course, he reported seeing low-lying hills covered with forests some distance farther to the west.

Although within marching distance of the battle, the heavy snow had muffled the sound of cannon fire and Ney was completely unaware of events until a messenger reached him around 10: 30.

Although Hud's attraction to her is ( at first ) somewhat mutual, Alma keeps her distance because she has already been " around the block " with macho womanizers like Hud.

Although the diffraction limit severely constrains the range of the transmitting antenna, the probe is designed to have an extremely high acceleration of 24 m / s², so that it can reach a significant fraction of the speed of light within a very short distance, before passing out of range.

Although time-sensitive equipment movements of this nature were originally to be handled by Air Force cargo planes, NASA altered those plans and moved the equipment in two dedicated trains over the 1, 000-mile distance via the Santa Fe Railroad and the Southern Pacific Railroad.

Although it was dark as usual I could see that the hall had only recently contained a great many people.

Although New Orleans was not to learn of it for a spell, she also was a sadist, a nymphomaniac and unobtrusively mad -- the perpetrator of some of the worst crimes against humanity ever committed on American soil.

Although Faulkner was the heir in his own family to this tradition, he did not have Stark Young's inclination to romanticize and sentimentalize the planter society.

Although his tender nights were not the ones I dreamed of, nor was it for yachts, sports cars, tall drinks, and swimming pools, nor yet for money or what money buys that I burned, I too was burning and watching myself burn.

Although after much trouble he did manage to get it back, he discovered there was no trade to be had.

Although he did not attend any celebrated schools or universities, he was a master of Greek and Hebrew and could read the Bible in the original.

Although the fort was evacuated in the face of the force of Cornwallis, Morgan and his men did have a chance to take another swing at the redcoats.

Although because of the important achievements of nineteenth century scholars in the field of textual criticism the advance is not so striking as it was in the case of archaeology and place-names, the editorial principles laid down by Stevenson in his great edition of Asser and in his Crawford Charters were a distinct improvement upon those of his predecessors and remain unimproved upon today.

Although Mr. Brown was not himself its inventor ( it was a French idea ), it is typical that his intuition first conceived the importance of mass producing this basic tool for general use.

Although it was a mere fragment of the victim's remains, it was enough.

Although there were only four fluids tested, it was apparent that there were two distinct types.

Although the tape was run for over 1 hr., a steady state was not reached, and it was concluded that the reason for this was that the back pressure of the manometer was built up from the material fed from between the blocks and this was available at a very slow rate.

-- Although there was some variation in results which must be attributed either to trace impurities or to variation in wall effects, the photochemical exchange in the gas phase was sufficiently reproducible so that it seemed meaningful to compare the reaction rates in different series of reaction tubes for the purpose of obtaining information on the effect of chlorine concentration and of carbon tetrachloride concentration on the reaction rate.

Although the Taylor Scale was designed as a group testing device, in this study it was individually administered by psychologically trained workers who established rapport and assisted the children in reading the items.

Although the standard deviation values on which spread of the lines is based are relatively larger for those centers which begin to ossify early ( Table 1 ), there are considerable differences in this value between centers having the closely timed Onsets.

Although the Brandywine population is still predominantly rural, `` there are indications of a consistent and a statistically significant trend away from the older and relatively isolated rural communities.

Although specialized and experienced amateur astronomers tend to acquire more specialized and more powerful equipment over time, relatively simple equipment is often preferred for certain tasks.

Although relatively large for a theropod, Albertosaurus was much smaller than its more famous relative Tyrannosaurus, probably weighing less than 2 metric tons.

Although Albert has received relatively little recognition in German history, his dissolution of the Teutonic State caused the founding of the Duchy of Prussia ( and also the Hohenzollern dynasty ), which would eventually become arguably the most powerful German state and instrumental in uniting the whole of Germany.

Although this is a relatively small value, it was well within the observational capability of the instruments available in the early eighteenth century.

Although the external dimensions of the Sparrow remained relatively unchanged from model to model, the internal components of newer missiles represent major improvements, with vastly increased capabilities.

Although there has been some American direct private investment in Belarus, its development has been relatively slow given the uncertain pace of reform.

Although they can wander into agricultural areas, these cranes are most common in areas where disturbance by humans and their cattle is relatively low.

Although the mechanics of ballpoint pens remain relatively unchanged, ink composition has evolved to solve certain problems over the years, resulting in unpredictable sensitivity to light and some extent of fading.

Although counting the number of elements in a set is a rather broad mathematical problem, many of the problems that arise in applications have a relatively simple combinatorial description.

Although cumin seeds contain a relatively large percentage of iron, extremely large quantities of cumin would need to be consumed for it to serve as a significant dietary source ( see nutrition data ).

Although this is a relatively rare instance of a female Confucian voice, Ban Zhao almost entirely accepts the prevailing views concerning women's proper roles ; they should be silent, hard-working, and compliant.

Although the first, which emphasizes the potential for energy and resource conservation and health benefits gained from cycling versus automobile use, is relatively undisputed, the second is the subject of much debate.

Although Wang succeeded Sun as Chairman of the National Government, Chiang's relatively low position in the party's internal hierarchy was bolstered by his military backing and adept political maneuvering following the Zhongshan Warship Incident.

Although four-and higher-dimensional spaces are difficult to visualize, the algebra of Cartesian coordinates can be extended relatively easily to four or more variables, so that certain calculations involving many variables can be done.

Although superior to paper tape, DECtapes were relatively slow, and were supplanted as reliable disk drives became affordable.

Although Morris ' political work is well to the fore, Thompson also used his literary talents to comment on aspects of Morris ' work, such as his early Romantic poetry, which had previously received relatively little consideration.

Although the modern term " gun " is often used as a synonym for firearm, in specialist or military use it has a restricted sense referring only to an artillery piece with a relatively high muzzle velocity, such as a field gun, a tank gun, or a gun used in the delivery of naval gunfire ; or in sporting use for a shotgun.

Although gene therapy is still relatively new, it has had some successes.

Although their eyesight is relatively poor, they have light-sensitive cells all over their bodies.

Although relatively small at the time, Mombasa would become important in the following century.

Although the primary mission of the Order was military, relatively few members were combatants.

Although relatively short-lived, the NLU paved the way for future American unions.

Although the use of libre in English for this meaning is a relatively recent one, the concept of works that are free of permission restrictions is as old as print itself.