The problem: It would be impractical to implant several of the devices in a patient.
It is impractical to sue a million teenagers one at a time, each nameless and hard to trace.
The pessimists said it was simply impractical to bring complicated drug regimens into poor regions with little infrastructure.
It would be impractical to customize your approach to every prospective employer in the way I am suggesting you should for your dream employer.
In part, that is because it is impractical to distribute a full plane's worth of tablets on wide-body jets with hundreds of passengers, they say.
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Various accreditation schemes had started, but it would be impractical to set up an over-arching one for all gap years, such was the diversity of young people's activities.
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"It's impractical to design our testing and admissions process around when private schools require parents to submit their deposits, " said Matthew Mittenthal, a spokesman for the Department of Education.
After all, it would be impractical to join all of those programmes and enter the membership numbers into Superfly merely to see which one would be the best to invest time and money in.
But in today's YouTube culture, where everything from reality TV to a MySpace page can launch a career, it is no longer entirely impractical to think that fame and celebrity is attainable.
Note that Wikibon defines big data as data sets whose size, type and speed of creation make them impractical to process and analyze with traditional database technologies and related tools in a cost- or time-effective way.
Lepor thinks it is impractical to suggest that a primary care physician who has 15 to 20 minutes to spend with a patient fully explain all the pros and cons of screening in the course of an annual physical.
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Defenders of the status quo argue that it is impractical to limit the growth of spending because of entitlement programs such as Medicare and Social Security, for which spending is steadily rising due to the increase in the elderly population.
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But when you begin to dig into it, for a country as large and spread out as the United States, it is a fiendishly expensive and wildly impractical project to undertake.
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Iceland's chief executive Malcolm Walker used strong language to say it was impractical for all foods to be tested.
Under these circumstances, a "global" chemical weapons ban would have to be of wholly impractical scope and comprehensiveness to have any chance of being effective.
But the U.S. EPA has rejected that idea, calling it impractical and difficult to en-force.
But the U.S. EPA has rejected that idea, calling it impractical and difficult to enforce.
The charge that his approach was aloof, impractical and deaf to realities of wealth and power did not shake him.
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But that approach wouldn't work in a global program, since it's usually impractical for students to travel great distances that often.
Steven Schwarcz, a professor at Duke University and writer on securitisation, has come across contracts which are so convoluted that it would be impractical for investors to try to understand them: they would have to spend more money hiring experts to deconstruct them than they could ever hope to earn in extra returns.
For example, a re-engineering of the Internet to make it easier to trace the location of cyberattackers, as some have called for, would surely be expensive, impractical and extremely harmful to privacy.
Most automakers sided with the EPA, saying it would be impractical for each state to dictate its own emissions standards.
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In some instances, the requirement to pay income taxes would make working while studying an impractical solution, requiring some kids to forgo their education.
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Lionel Zetter, former chairman of the chartered institute of public relations, argues it is "impractical" for lobbyists to record every meeting with civil servants and MPs.
In the US, trains are largely impractical as an alternative to flying or driving, with a few notable exceptions like the Northeast corridor (NYC, DC, Boston and Philadelphia).
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The aim is not to engineer outcomes -- that would be both impractical and inappropriate -- but simply to keep tabs on what is going on and, if events warrant, urge action or calm.
As blocking all mail from net firms just to catch the spam is impractical, Spamhaus is worried that the technique will give junk mailers the ability to spam with little fear of being spotted and stopped.
In any case, it is impractical for most individual investors to make all these trades.
But GLP-1 turned out to be an impractical medicine, as it degrades quickly once injected into the body.
The Laffer Shares would include provisions that would make it financially impractical for the federal government to re-impose a corporate income tax at a later date.
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