"If the Wright brothers were starting out today they'd never get off the ground, " fumes Ky Michaelson, who spent two years dickering with bureaucrats at an offshoot of the FAA to get a license to launch to 390, 000 feet, well past the boundary zone between the Earth's atmosphere and space.

FORBES: "Let's Punch A Hole In the Sky"

Pay is considered to be reasonable if it is below the upper boundary of the Alignment Zone, as shown in the chart.

FORBES: CEO Pay: When Highly Paid Is Not Overpaid

Instead of occurring at a plate boundary along an area called a subduction zone, where one tectonic plate is diving beneath another, this earthquake occurred in the middle of an oceanic plate, where the faults in the crust essentially moved from side to side instead of up and down.

MSN: Why this Indonesia quake didn't spark a monster tsunami

Given that, SNP ministers say, rUK ministers and the financial system would rationally prefer a stable sterling zone rather than Scotland deploying sterling free from constraint on their northern boundary.

BBC: Scottish independence: Political battle over currency

Mayor Ferguson said the issue was how to define the city centre in order to decide where to draw the charging boundary but he hinted it was unlikely to be the size of the residents' parking zone.

BBC: Road

"I remember when only a handful of people came, " says Tran Hong Chi, a guide for the somewhat grisly tours into the Demilitarized Zone or DMZ, a heavily bombed and severely poisoned territory that served as the boundary between north and south Vietnam.

CNN: Stops and Starts

The eastern boundary of the Global Geopark extends beyond the settlement of Durness and Loch Eriboll to follow the Moine Thrust Zone, an internationally significant geological structure that helped 19th century geologists determine how the world's great mountain ranges were formed.

UNESCO: Global Geoparks