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.
If Chinese parents were allowed to select the sex of their children, and continued to enjoy good access to birth control, they might disproportionately select sons for their first children although, with freedom to have a second shot, many families might well allow nature to make the decision first time around.
As a second-best, many coalition supporters would be content just to have the crimes alleged against him set out for all to see, even if he escaped punishment.
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.
There will be many problems ahead in a second term, but for the president's supporters, this is a moment of joy and relief.
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 there is no convincing sign yet that General Musharraf is brave enough to carry through what would be seen by many in Pakistan as a second betrayal, this time in Kashmir.
ECONOMIST: But without progress on Kashmir, the good news won't last
Opponents of reform say the lack of detail today suggests the government is in retreat, giving itself room to water down proposals for a largely elected second chamber, proposals that many Tories oppose and say are secondary to fixing the economy.
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.
From campaign strategists to online gurus and policy hands to press agents, Obama loyalists including many who discovered that a second term yields fewer administration job vacancies are slicing his agenda into smaller parts and launching highly targeted efforts on subjects including health care, job creation and electoral politics.
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.
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