An example of a bottleneck is when people have difficulty detecting a second target if it appears on screen a few tenths of a second after an initial one.

ECONOMIST: Playing action games improves visual skills

If London were threatened, a British government would have little difficulty in persuading its taxpayers to spend heavily on a missile shield.

ECONOMIST: Rockets overhead

It might have been far easier to have overcome this difficulty if the original proposals for a Commonwealth civil service had been imaginatively carried out if the Commonwealth countries had been prepared to send more technicians and administrators of their own to serve the colonies in their transitional stages.

ECONOMIST: From the archive

If your heartburn doesn't go away, or if you have other symptoms such as difficulty swallowing, see a doctor, who will probably prescribe one of the so-called proton pump inhibitors (Prilosec, Nexium, Prevacid).

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"If Wembley were going to remain a problem, then we would have real difficulty, " he admitted.

BBC: Wembley redesign call dismissed

As a result, continued rhetoric and indications that either party might be willing to default on its debt will have the same effects as a real estate partnership that does the same: They will pay a higher interest rate and at some point if it continues long enough will have increasing difficulty borrowing money.

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If your credit score is below 620, you will be considered subprime and will have difficulty getting a loan at all, let alone one with favorable terms.

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