Although used during the Normandy landings, by that point German aircraft were contained by the Allies own air forces and they were largely unneeded.

Although observations of some aerodynamic effects such as wind resistance ( e. g. drag ) were recorded by Aristotle, Leonardo da Vinci and Galileo Galilei, very little effort was made to develop a rigorous quantitative theory of air flow prior to the 17th century.

Although the mingling motion of dust particles is caused largely by air currents, the glittering, tumbling motion of small dust particles is, indeed, caused chiefly by true Brownian dynamics.

Although some recreational fishing for consumption is permitted, all other food is shipped in by sea or air.

Although extractor ventilation fans should have been installed to reduce the concentration of methane in the air, this would have been expensive for mine owners, and thus such fans were not installed.

Although Johnson would attest in a 1984 radio interview that the " two tribes " of the song potentially represented any pair of warring adversaries ( giving the examples of " cowboys and Indians or Captain Kirk and Klingons "), the song does contain the line " On the air America / I modelled shirts by Van Heusen ", a clear reference to then US President Ronald Reagan, who had advertised for Phillips Van Heusen in 1953 ( briefly reviving the association in the early 1980s ), and whose first film had been titled Love Is On The Air.

Although air transport in Guyana had its beginnings in the 1920s when the first " bush " services were introduced, Government's earnest participation can be dated from 1947 when a Director of Civil Aviation was appointed to regulate the industry.

Although ABC does not air any national game shows, its syndication wing Disney-ABC Domestic Television distributes Who Wants to Be a Millionaire ?, and many of their local affiliates air it in syndication.

Although the recruits had signed on as part of a scientific expedition and expected to spend their three month assignment collecting botanical and biological samples, once out to sea they were told, " Your names will go down in history " and that the islands would become " famous air bases in a route that will connect Australia with California ".

Although it replaced whale oil, the 1873 edition of Elements of Chemistry said, " The vapor of this substance mixed with air is as explosive as gunpowder.

Although it is true that the air moving over the top of a wing generating lift does move faster, there is no requirement for equal transit time.

Although air and other gas-based lubricants are known, e. g., in fluid bearings ), liquid and solid lubricants dominate the market, especially the former.

Although wounded in the leg in this effort, his death was the result of shrapnel wounds from an air bomb dropped by a German plane.

Although local meteorological conditions play a contributing role, rain usually falls when tropical air masses are dominant.

Although in fact it has a different organisation and a wholly civil mission, its training and activities over more than two decades as an anti-terrorist force have produced markedly military characteristics, giving it the appearance of a virtual fourth military service with significant land, sea and air capabilities and approximately 140, 000 personnel.

Although the county was still below the " pass " threshold, the report demonstrated substantial improvement compared to previous decades on every measure of air quality.

Although a conventional carburetor, with the ability to keep the fuel / air ratio constant over a range of throttle openings was precluded by the spinning cylider block, it was possible to adjust the air supply through a separate flap valve or " bloctube ".

Although the Senegalese air force is geared towards supporting it, the army may have previously maintained its own very small aviation branch, called the " Aviation Légère de l ' Armée de Terre " ( like the French army's equivalent ), which may have counted up to five light helicopters and two SA330 Puma transport helicopters.

Although strictly speaking this is not a part of the breathing apparatus, it is usually connected to the diver's air supply, in order to provide easy inflation of the device.

Although the meteoroid or comet appears to have burst in the air rather than hitting the surface, this event is still referred to as an impact.

Although extensively bombed by Soviet air forces during the latter stages of World War II, much of the medieval Old Town still retains its charm.

Although ytterbium is fairly stable chemically, it is stored in airtight containers and in an inert atmosphere to protect the metal from air and moisture.

On 13 July 2002, Fatboy Slim performed the second of his free, open air concerts on Brighton Beach, named The Big Beach Boutique II, Although organisers expected a crowd of around 60, 000 people, the event instead attracted an estimated 250, 000 who crammed the promenade and beach between Brighton's piers.

Although he is perfectly willing to cooperate with Scotland Yard, Holmes has nothing but contempt for the intelligence and mentality of the police.

Although Patchen has given previous evidence of an interest in jazz, the musical group that he works with, the Chamber Jazz Sextet, is often ignored by jazz critics.

Although the wood has been changed to coal, much of it still retains its original cell structure.

Although today's trucks are as fast as passenger cars, a truck driver has to be a sensible person and guard against hogging the road.

Although the matter has not been unequivocally demonstrated, the available data show that micelles in themselves do not contribute significantly to the detergency process.

Although a somewhat technical subject, it has important political implications as the above discussion of the voting system indicated.

Although the pause in the advance of general business activity this year has thus far been quite modest, it is hard to escape the conclusion that the softening process will continue into the first quarter of 1961 and possibly somewhat longer.

Although refrigeration has served to extend the storage life of these products, substantially increased consumption might be possible if areas remote from the seacoast could be served adequately.

Although science has given us more effective materials, preparations from anise, castorbean, colchicum, nux vomica, mustard, fennel, and stramonium are familiar to many for the relief of human ailments.

Although progress has been made in America's system of libraries it still falls short of what is required if we are to maintain the standards that are needed for an informed America.

Although I have emphasized the barriers which an aroused nationalism has raised against relations between Christians and non-Christians in Asia, the fact is that this development has also widened the gulf between certain Afro-Asian religions themselves.

Although the axiom of countable choice in particular is commonly used in constructive mathematics, its use has also been questioned.

Although argon is a noble gas, it has been found to have the capability of forming some compounds.

Although the Indian and Greek concepts of the atom were based purely on philosophy, modern science has retained the name coined by Democritus.

Although panic attacks are not experienced by every person who has anxiety, they are a common symptom.

Although a cease-fire has held since 1994, the conflict with Azerbaijan over Nagorno-Karabakh has not been resolved.

Although MacDougall's results varied considerably from " 21 grams ", for some people this figure has become synonymous with the measure of a soul's mass.

Although, as of 2009, none of the extrasolar planets detected by ground-based astrometry has been verified in subsequent studies, astrometry is expected to be more accurate in space missions that are not affected by the distorting effects of the Earth's atmosphere.

Although hydrogen-like orbitals are still used as pedagogical tools, the advent of computers has made STOs preferable for atoms and diatomic molecules since combinations of STOs can replace the nodes in hydrogen-like atomic orbital.

Although the sign still exists, the " of " has now been replaced by the URL of their website.

Although the Caiman has not been studied in-depth, scientists have learned that their mating cycles ( previously thought to be spontaneous or year-round ) are linked to the rainfall cycles and the river levels, which increases chances of survival for their offspring.

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 the family ( Amaranthaceae ) is distinctive, the genus has few distinguishing characters among the 70 species included.