As he writes, these free-flying insects are the closest thing the natural world offers to our concept of the untethered human spirit.
Visiting America last month, he advocated an EU-American free-trade area and praised mature markets, noting that success in business can come from "going after your oldest customer and trying to sell more".British Eurosceptics may yearn to roam the globe, untethered to a European club they never liked.
But Arizona's divided status has more to do with populism; this is often far from moderate, but it has untethered voters from parties and from whatever establishment ever existed.
They have failed to grasp the big trend of recent years: that most voters are now floating to one degree or another, untethered to the mainstream parties.The most alarming finding from focus groups conducted by the Conservative Party after last month's budget did not involve tax rates.
Mr Cable's pride in being an untethered spirit has been useful at times: he was right to complain that the government's crude caps on non-European migrants are harming recruitment.
Until now, Palm OS devices have relied on Motorola processors, but have been losing out to the latest PDAs powered by ARM chips.With the growing popularity of untethered devices, ARM's niche remains lucrative, despite the downturn that has affected all semiconductor firms.
TM: He's not quite untethered: he's completely tethered to his trauma, and the patterns of repetition it bequeaths.
Some China-watchers expect the yuan's ascent to resume at the speed it reached when it was last untethered from the dollar, in the three years after July 2005 (see chart).
Dial a number and the odds are three to one that it will cause a mobile phone, rather than a fixed-line one, to ring somewhere on the planet.As airtime gets cheaper, the untethered masses tend to use their mobiles more.
"Mobile" emphasises that the device is untethered, which fits the roaming, once-imperial British style.
A powerful new theme in British euroscepticism involves dreams of the country roaming the world as a swashbuckling, globalised, stand-alone trade power, untethered from the rotting hulk of a continent in decline.
