By changing the frequency of a radio transmission many times a second, causing it to leap around in an apparently random fashion, a radio signal could be made almost impossible to intercept.
On this occasion, for the first time, mayors were allowed to run for re-election and many duly won a second term, suggesting that many of the 93m Brazilians who voted were satisfied with their local government.
The Bluebirds almost had a second in as many minutes when last season's top scorer Ross McCormack toepoked just wide.
This year, as some Western economies lurch back into a second recession, many wonder whether the basic flaws of our financial system have been fixed at all.
"The general feeling that we get from patients is that they are aware they are being given a second chance and many are grateful even just to have the opportunity to be on the waiting list, even if that opportunity doesn't come, " he added.
Assuming no further macroeconomic deterioration, we expect that bookings and revenue will bottom out in Q1 2012 and lead to a strong second half as many new product design wins ramp into production.
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Garcia was elected for a second time in 2006 and many locals are not willing to give his party another chance.
French wildcard Jeremy Chard y produced a second superb display in as many matches to sink 30th seed Dimitri Tursunov 7-6 (7-1) 6-3 6-4.
Edwards had been considered a second-tier candidate by many for months.
But Adlington produced a second peerless swim in as many days to win the 400m freestyle , with Jazz Carlin swimming to bronze behind her for Wales.
Bravo also had an escape on 46 when he was dropped by a diving Hodge at square-leg off Brett Lee and made the most of it to score his score a second Test hundred in as many games.
Wi-Fi is able to deliver cheap internet access at a rate of many megabits-per-second, and it can do so at a range of up to 100 metres.
He has also blocked deals in which Dresdner would play second fiddle, a fact that many think scuppered the Deutsche deal.
Think of that computer chip in your Wii or iPad that goes through as many thoughts in a second as you will have heartbeats in your entire life.
Meanwhile, the American College of Cardiology, which had earlier issued a statement warning that patients and physicians should not draw too many conclusions from the study, issued a second statement Friday clarifying that Zetia and the Vytorin combo pill should be used only after other medicines with more evidence of benefit have been tried.
Local communities make a bad situation worse by using planning laws, such as minimum plot size, to exclude low-income families. (Many ritzy suburbs will not allow a property to have a second kitchen for fear that the owner might take in tenants.) Meanwhile, many of the same communities compete to attract high-value commercial developments.
Barrichello said on Twitter that his morning's testing had been halted by a Kers problem - the second in as many days for Williams.
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But the French "no" vote has made that a high-risk strategy for the French leadership, which would have to fly in the face of its own electorate for a second time or shape a core Europe in the mold of France, which many new E.
As a second-generation Filipino-American, in many ways I am the product of an American dream.
But we fought a lot in the second half and we created many opportunities.
That is why many in the industry favour a second approach involving the more expensive tags.
They are fond of this arrangement, which allows many of them to hold a second full-time job.
Our present tepid bounce leads many commentators to suggest a pending second dip.
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Second, it is also a fact that many people pick lottery numbers based on personal associations, using numbers that occur somewhere in their lives.
Many car buyers wait for a second- or third-generation of a model of interest before buying to give the makers a chance to smooth out undetected problems.
The experiment showed that Budweiser was the most successful of the advertisers, with many participants exhibiting more than a second of surprise while viewing a Bud Light ad.
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The revenue increase is the second in as many years following a first-ever drop in Indian casino revenue in 2009 as the worst recession in decades took its toll on consumer spending.
The bilingual-education experiment, which has shunted too many immigrants' children into a second-rank life by keeping them unfamiliar with the language of their adopted country, may then move to its desirable close.
But Postmaster General Patrick Donahoe said the Postal Service would do whatever it takes to maintain its operations, even if that means defaulting on a second multibillion-dollar retiree obligation in as many months.
Many store chains that enjoyed a second straight banner year of growth through their Web sites in 2006 appear ready to hit some headwinds this year, thanks to a lack of cutting-edge Internet marketing and continued difficulties integrating store and Web businesses, not to mention a sputtering economy that's got more consumers watching their wallets.
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