All bitcoins now in circulation were originally created by this process, which is known as mining.

FORBES: Four Reasons Bitcoin Is Worth Studying

Gross invasions of privacy such as urine testing, excessive property forfeitures and seizures without due process of law, the circulation of extensive government files on suspected drug offenders, and border patrols and checkpoints that inhibit free travel, all are among the draconian actions deemed necessary to wage the war on drugs.

CENTERFORSECURITYPOLICY: The Case Against the Halperin Nomination �� White Paper

"The Republic of Congo affirms that she is able to take up her responsibilities under the Kimberly Process and is ready to contribute with neighbouring countries to curb the problematic circulation of rough diamonds, " Mr Mvouo said.

BBC: NEWS | Africa | Congo anger at diamond suspension

Unfortunately, because of the nature of air circulation, any downward-pointing force created aerodynamically generates a backward-pointing resistance in the process just as an increase in the lift of an aircraft wing as the flaps are lowered for take-off or landing creates more drag in the process, forcing the pilot to open the engine throttles to overcome the extra wind resistance.

ECONOMIST: CAR DESIGN