Many patents worldwide are testaments to failed attempts at making these pens commercially viable and widely available.

Many attempts have been made at identifying its origins.

Many lives were lost in futile attempts to charge across the no man's land where these crossfires were set up.

Many of the routes listed below are in poor condition and may be operating at only a fraction of their original capacity ( if at all ), despite recent attempts to make improvements.

There are early mystery novels in which a police force attempts to contend with the type of criminal known in the 1920s as a homicidal maniac, such as a few of the early novels of Philip Macdonald and Ellery Queen's Cat of Many Tails.

Many of these attempts brought him unfavorable criticism from the press and garnered him constant rebukes by his father, who nonetheless provided him with small sums for living expenses.

Many of the largely settled scientific issues, such as the human responsibility for global warming, remain the subject of politically motivated attempts to downplay, dismiss or deny them – a phenomenon widely known as climate change denial.

Many attempts to popularize Western classical music in India have failed in the past due to disinterest and lack of sustained efforts.

Many Indians view the war as a betrayal of India's attempts at establishing a long-standing peace with China and started to question Nehru's usage of the term " Hindi-Chini bhai-bhai " ( meaning " Indians and Chinese are brothers ").

Many low-end entertainment systems have a karaoke mode that attempts to remove the vocal track from regular audio CDs, using an Out Of Phase Stereo ( OOPS ) technique.

Many sonar attempts had been made previously, but most were either inconclusive or negative.

Many attempts were made to adapt the existing systems to have better performance, but the overhead was always considerable and most of these efforts required the user-space programs to be moved back into the kernel.

Many attempts were made to improve the performance of Mach and Mach-like microkernels, but by the mid-1990s much of the early intense interest had died.

Many opera companies have experienced a similar trend, and opera company websites are replete with attempts to attract a younger audience.

Many attempts have been made to derive its value ( currently measured at about 1 / 137. 035999 ) from theory, but so far none have succeeded.

Many attempts were made to imitate it in Italy and France.

Many of the PCC's attempts at organizing peasants, were met with violent repression by the Colombian government, and landowning class.

Many active sabotage attempts were against critical rail lines of transportation.

Many attempts by the ROC to rejoin the UN, in recent years, have not made it past committee, under fierce opposition and threatened vetoes from the PRC.

Many attempts have been made to amend the Constitution to allow Congress to prohibit the desecration of the flag.

Many of his novels and essays abound with experimental word play, lists and attempts at classification, and they are usually tinged with melancholy.

Many attempts have been made to broker a two-state solution, involving the creation of an independent Palestinian state alongside an independent Jewish state or next to the State of Israel ( after Israel's establishment in 1948 ).

Many of the corporate raiders of the 1980s were onetime clients of Michael Milken, whose investment banking firm, Drexel Burnham Lambert helped raise blind pools of capital which corporate raiders could use to make legitimate attempts to take over companies and provide high-yield debt financing of the buyouts.

Many attempts were made to restore the old Mission from the early 20th century, but it was not until the Hearst Foundation gave a large gift of money in the 1940s, that the Mission was finally restored.

Many attempts have been made to group the superfamilies of the Lepidoptera into natural groups, most of which fail because one of the two groups is not monophyletic: Microlepidotera and Macrolepidoptera, Heterocera and Rhopalocera, Jugatae and Frenatae, Monotrysia and Ditrysia.

Many rate increases already have been put into effect.

Many copies were mistakenly put on store shelves on the scheduled release date, only to be immediately recalled.

Many historians now hold the position that blitzkrieg was not a military theory, and the campaigns conducted by the German military in 1939 to circa, 1942 ( with the exception of Operation Barbarossa ) were improvised invasions put together and modified at the last moment and therefore was not a proper military strategy.

Many of the skills involved in caving can also be put to use in mine exploration and urban exploration.

Many of the German religious houses that lodged women had been home to communities of women, such as Beguines, that became Dominican once they were taught by the traveling preachers and put under the jurisdiction of the Dominican authoritative structure.

Many viewed the K6 and the acquisition of NexGen as the moment that AMD was put back into the Intel compatible processor market.

Many other alternative explanations for the generation of lift by an airfoil have been put forward, of which a few are presented here.

Many mosques today will put the women behind a barrier or partition or in another room.

Many music stations in the United States perform news and timechecks only sparingly, preferring to put more music on the air.

Many postmodern thinkers who investigated the problem of nihilism as put forward by Nietzsche, were influenced by Martin Heidegger ’ s interpretation of Nietzsche.

Many historic palaces are now put to other uses such as parliaments, museums, hotels or office buildings.

Many people who have been practicing the latihan for some time claim to be able to recognize indications or intuitions ' from their inner feeling ' in response to questions that are put forward.

Many of the assertions put forth and conclusions reached by the authors are very controversial, ranging from the relationships between low measured intelligence and anti-social behavior, to the observed relationship between low African-American test scores ( compared to whites and East Asians ) and genetic factors in intelligence abilities.

Many ball valves do not have bonnets since the valve body is put together in a different style, such as being screwed together at the middle of the valve body.

Many proposals were suggested to put all US nuclear weapons under international control ( by the newly formed United Nations, for example ) as an effort to deter both their usage and an arms race.

Many kinds of clothes are folded before they are put in suitcases as preparation for travel.

Many countries have also put in place a " social pension ".

Many designs have been put forward for linear motors, falling into two major categories, low-acceleration and high-acceleration linear motors.

Many of science fiction's triumphs, even from as little as ten years ago, are unreadable today ; they were shoddily put together, not meant for re-use.

Many slaves shipped directly to North America bypassed this process ; however most slaves ( destined for island or South American plantations ) were likely to be put through this ordeal.

" Many of the nobility would not brook Dudley's new prominence, as they could not " put up with his being King.

Many of the modular origami models are decorative balls like kusudama, the technique differs though in that kusudama allows the pieces to be put together using thread or glue.

Many state supreme courts are the primary regulatory body for lawyers in their state and determine who can practice law and when lawyers are sanctioned for violations of professional ethical rules, which are generally also put in place as state court rules.

Many opinions were put forward for the defeat, some relating to perceived difficulties with the Parliamentary Appointment model, others relating to the lack of public engagement or that most Australian were simply happy to keep the status quo.

Many if not most modern science museums-which increasingly refer to themselves as ' science centres ' or ' discovery centres ' - also put much weight on technology.