Many inventors tried to fix these problems, but without commercial success.

Many practical problems are actually " easy ", so the SAT solver can easily find a solution, or prove that none exists, relatively quickly, even though the instance has thousands of variables and tens of thousands of constraints.

Many other decision problems, such as graph coloring problems, planning problems, and scheduling problems, can be easily encoded into SAT.

Many people with dyslexia have auditory processing problems and may develop their own logographic cues to compensate for this type of deficit.

Many were seen as reflections of broad underlying conflicts or maladaptive reactions to life problems, rooted in a distinction between neurosis and psychosis ( roughly, anxiety / depression broadly in touch with reality, or hallucinations / delusions appearing disconnected from reality ).

Many problems of the design of experiments involve combinatorial designs, as in this example.

The author of the Easton's article concludes, " Many Christians today still find this letter to speak to modern-day problems within church communities.

Many problems of practical interest can be represented by graphs.

Many problems have to do with various ways of coloring graphs, for example:

Many minor problems that existed in the first edition were fixed making it, according to many, the most stable release of the Windows 9x family.

Many community members worried that the library would become a tourist attraction, causing particular problems with traffic congestion.

Many patients say they have balance problems and fall easily, as the muscles cannot compensate for an off-balanced posture.

Many mine workers perished and were injured during the life of the mine — the mine was plagued by water flooding problems.

Many different problems are addressed, like foreign policy, declarations of war, the legitimacy of leaders, and the introduction of new ideas and laws.

Many mutations arise as a result of problems caused by the DNA lesions during replication, resulting in errors in replication.

Many common health problems can be prevented or alleviated with a healthy diet.

Many natural computer science problems are covered by the class NP.

Many things can happen to packets as they travel from origin to destination, resulting in the following problems as seen from the point of view of the sender and receiver:

Many of the issues that he takes on in these books have to do with the kinds of problems that adolescents experience.

According to anthropologists John Monaghan and Peter Just, Many of the great world religions appear to have begun as revitalization movements of some sort, as the vision of a charismatic prophet fires the imaginations of people seeking a more comprehensive answer to their problems than they feel is provided by everyday beliefs.

Many Australian and UK soap operas explore social realist storylines such as family discord, marriage breakdown, or financial problems.

Many disorders involve the heart itself but some are outside of the heart.

Many such games involve one person pointing at each participant in a circle of players while reciting a rhyme.

Many such short processes involve a few changes to traditional methods, including smaller, more homogenized pieces in the compost, controlling carbon to nitrogen ( CN ) ratio at 30 to 1 or less, and monitoring the moisture level more carefully.

Many important processes involve photochemistry.

Many mythologies involve a " world center ", which is often the sacred place of creation ; this center often takes the form of a tree, mountain, or other upright object, which serves as an axis mundi or axle of the world.

Many of these myths involve the loss of a paradise that existed at the beginning of the world.

Many pub or bar games involve competitive drinking for speed and not necessarily for the quantity consumed.

Many involve habitation or industrial elements.

Many processes designed to preserve food will involve a number of food preservation methods.

Many chemical pickling processes also involve heating or boiling so that the food being preserved becomes saturated with the pickling agent.

Many analytical procedures involve the use of a fluorometer, usually with a single exciting wavelength and single detection wavelength.

Many children like to play outdoor games that involve physical activity such as cops and robbers and hide and go seek.

Many hobbies involve performing by the hobbyist, such as singing, acting, juggling, magic, dancing and other performing arts.

Many challenges in NLP involve natural language understanding -- that is, enabling computers to derive meaning from human or natural language input.

Many of the laboratory techniques of biochemistry and molecular biology that involve DNA polymerase, such as DNA sequencing and the polymerase chain reaction ( PCR ), require DNA primers.

Many calculations involve iterative methods that include self-consistent field methods.

* Many religions involve an initial Paradise preceding ordinary historical time.

* Many religions involve the story of a god who undergoes death and resurrection ( see life-death-rebirth deity ).

Many superhero fiction characters involve themselves ( either intentionally or accidentally ) with science fiction and fact, including advanced technologies, alien worlds, time travel, and interdimensional travel ; but the standards of scientific plausibility are lower than with actual science fiction.

Many well known uses of silver involve its precious metal properties, including currency, decorative items and mirrors.

Many winter activities involve the use of snow in some form ( which sometimes is man-made, using snow cannons ):

Many may have had an overly optimistic sense of what the war would involve, imagining that victory could be won as easily as in the First South African War.

Many origin stories involve tragic elements and / or freak accidents that result in the development of the hero's abilities.