However, the Vikings lacked both the equipment necessary to undertake a siege against the burh and a developed doctrine of siegecraft, having tailored their methods of fighting to rapid strikes and unimpeded retreats to well defended fortifications.

However, slow phosphor has the negative side-effect of causing image smearing and blurring when there is a large amount of rapid on-screen motion occurring.

However, given the rapid progress in the industry they are working on a more in depth study to be concluded in May 2012.

However, the classification as a metro or rapid rail can be difficult as both may typically cover a metropolitan area exclusively, run on separate tracks in the centre, and often feature purpose-built rolling stock.

However, their effectiveness in humans has not been established, and is limited by poor absorption into cells and rapid excretion.

However, the rapid growth of the world's population and its increased concentration often in hazardous environments has escalated both the frequency and severity of natural disasters.

However, the rapid capture of so many neutrons would provide needed direct experimental confirmation

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, this treatment is not optimal in other forms such as reactive hypoglycemia, where rapid carbohydrate ingestion may lead to a further hypoglycemic episode.

However, these same features made Windows NT perfect for the LAN server market ( which in 1993 was experiencing a rapid boom, as office networking was becoming common ).

However, German unification in 1870 stimulated consolidation, nationalisation into state-owned companies, and further rapid growth.

However, the rapid post-war economic development of the East Asian Tigers, India, the People's Republic of China, along with the collapse of the Soviet Union, have loosened European and North American influence in Asia, generating speculation today about the possible re-emergence of India and China as superpowers.

However, the rapid changes saw millions of people sent to correctional labour camps, and deported and exiled to remote areas of the Soviet Union.

However, during the bebop era, the rapid tempo and complicated chord progressions made it increasingly harder to play " by ear.

However, the rush to complete this rapid expansion scheme resulted in the deaths of 997 personnel and another 700 wounded.

However, spies and others whose secrets must be guarded may have an induced allergy to fast-penta and rare few people are naturally allergic ; in both cases using the drug on allergic person results in rapid death from anaphylactic shock.

However, prompted by grain shortage in 1928, Stalin reversed himself and proposed a program of rapid industrialization and forced collectivization because he believed that the NEP was not working fast enough.

However, the rapid development ( 8 % of increase of passengers served at Polish airports in 2008 compared to 2007 ) of the unsaturated market and the existence of vast areas of land, not covered by airports within 100 kilometers of journey, allow to assume that many new airports could be necessary to properly serve this land pupulated by appox.

However, the punctuational equilibrium model may still be inferred from both the observation of stasis and examples of rapid and episodic speciation events documented in the fossil record.

However, with the rapid growth of technology jobs in the San Francisco Metropolitan area, the traditional boundaries of Silicon Valley have expanded North to include the rest of San Mateo County, San Francisco County as well as parts of Marin County.

However, the city boasts an excellent public transit system using a fleet of modern buses, and is beginning to plan for a rapid transit link to the western communities.

However, many wildebeest populations are experiencing rapid declines.

However, his successor, George Grey, promoted rapid cultural assimilation and reduction of the land ownership, influence and rights of the Māori.

However, although food imports fell significantly between 1932 and 1937, Germany's rapid rearmament policy after 1935 proved contradictory to the Nazi Party autarkic ambitions and imports of raw materials rose by 10 % over the same period.

However, poor marketing and failure to repeat the technological advances of the first systems meant that the Amiga quickly lost its market share to competing platforms, such as the fourth generation game consoles, Apple Macintosh and IBM PC compatibles.

However, the Skycar is a good demonstration of the technological barriers to developing the VTOL flying car.

However, these views have been disputed by, among others, the late Carl Sagan, who speculated that any technologically advanced extraterrestrial civilization would be advanced ethically as well, and would not be aggressive, and that humanity would, due to the extraterrestrial civilization's technological prowess, reciprocate this non-aggression.

However web design is also seen as a technological standpoint.

However, compared to leaders of face-to-face teams, virtual team leaders face the following difficulties: ( a ) logistical problems, including coordinating work across different time zones and physical distances ; ( b ) interpersonal issues, including an ability to establish effective working relationships in the absence of frequent face-to-face communication ; and ( c ) technological difficulties, including appropriate technology and ease-of-use.

However, the mode of technological development in the field of autonomy has mostly followed a bottom-up approach, such as hierarchical control systems, and recent advances have been largely driven by the practitioners in the field of control science, not computer science.

However, the adherence to the Napoleonic principles in the face of technological advances such as the long-range infantry breechloader rifles and minie ball guns generally led to disastrous consequences for both the Union and Confederate forces and populace.

However, it has thus been speculated by some fans that the end of Thread and rapid technological progress at the end of the Ninth pass would result in severe social disruption.

However, while species like the Borg have reached the pinnacle of technological achievement through assimilation, Species 8472 has established dominance based on its biological superiority.

However, during this period a vast and highly important technological innovation happened using the cementation process, the production of steel.

However, its importance pales in comparison to the power of the System Lords or the Free Jaffa Nation, even though after the extinction of the Asgard and the defeat of the Ori, the Tau ' ri became the dominant race of known space — although they were initially at a huge technological disadvantage, they later managed to reverse-engineer Goa ' uld technology to the point where they started building their own ships, though much of it was rendered obsolete when the Asgard granted a significant amount of non-weapon technology.

However, changes and advancements in economic relationships, political systems, and technological options began to break down old cultural barriers.

However, technological developments in paper-making elsewhere rendered the mills unprofitable and they reverted to flour production in the 1850s.

However, the excellent metaphor refers to the objective of a single message source ( store ) " to " the single recipient ( household ), a technological analogy to a " mom and pop " store on a first name basis with 10 million customers.

However, due to technological constraints, the system was transformed into a surface-based system known as the Lightweight Exo-atmospheric Projectile ( LEAP ).

However, inflation also rested on the nation's steadily declining supremacy in international trade and, moreover, the decline in the global economic, geopolitical, commercial, technological, and cultural preponderance of the United States since the end of World War II.

However, approximation formula ( 30c ) above, which yields values correct to within an absolute mathematical accuracy of better 0. 0025, should gives values sufficiently accurate for all technological purposes.

However, according to Postman, it is impossible for a technological innovation to have only a one-sided effect.

However, the balance is broken by a technological breakthrough which allows the consciousness of a human being to be reliably transferred into a machine, thereby granting theoretically indefinite life in a process called " patterning ".

However, Hardin orders several secret technological devices to be incorporated into the ship's design prior to its completion.

However, it continues to meet resistance, and three Foundation vessels have vanished near the planets of the Republic of Korell, a nation suspected of independent technological development.

However, as the various cultures are not isolated, there is interaction and a diffusion of their qualities ( like technological inventions ).

However, many recent technological developments and improvements, both in design ( e. g. dynamic tidal power, tidal lagoons ) and turbine technology ( e. g. new axial turbines, cross flow turbines ), indicate that the total availability of tidal power may be much higher than previously assumed, and that economic and environmental costs may be brought down to competitive levels.

However, despite their technological edge, German jets were overwhelmed by Allied air superiority, frequently being destroyed on or near the airstrip.