Space parity

In binary-coded data, a condition that is maintained such that, in any permissible coded expression, the total number of 1s, or 0s, is always odd or always even. Note 1: Parity is ...

parity

Physics; Particle physics

If a process is equally probable when the coordinates of space are reflected (as in a mirror), it is said to have parity symmetry.

parity

Banking; Investment banking

Exchange rate between two currencies. Dollar parity, for instance, is the price of a currency expressed in dollars. See also gold parity, purchasing power parity, parity price.

Royal Air Force

Military; Air force

The Royal Air Force (RAF) is the aerial warfare service branch of the British Armed Forces. It was formed in April 1918 and is the oldest independent air force in the world. The ...

hypoxia symptom

Military; Air force

Hypoxia is a medical condition of oxygen deprivation or altitude sickness. It can adversely affect human judgment and movement at high altitudes with symptoms ranging from light ...

Boeing B-47

Military; Air force

The Boeing Model 450 B-47 Stratojet was a long-range, six-engined, jet-powered medium bomber built to fly at high subsonic speeds and at high altitudes. It was primarily designed ...

Boeing B-52

Military; Air force

The Boeing B-52 Stratofortress is a long-range, subsonic, jet-powered strategic bomber. The B-52 was designed and built by Boeing, who have continued to provide support and ...

X-51A WaveRider

Military; Air force

The X-51A WaveRider (also known as Boeing X-51) is an unmanned hypersonic scramjet that is capable of flying through the atmosphere at speeds of 3600 mph or Mach 6. At these ...

action

Military; Air force

The performance of an activity. An act or actions are taken in order to create a desired effect. Actions may be kinetic (physical, material) or non-kinetic (logical, behavioral). ...