A pressure bulkhead for a fuselage of an aircraft is configured for bounding a fuselage interior relative to an external environment. The pressure bulkhead includes a flat skin configured to span a cross-section of the fuselage and having a cavity disposed at a core region of the skin. The core region...
The Iron Ring is a symbolic ring worn by most Canadian engineers. The Ring is a symbol of both pride and humility for the engineering profession, and is always worn on the pinky of the dominant hand. In the United Kingdom the signet ring is traditionally worn on a gentleman's left fifth digit.
To pinky swear, or to make a pinky promise, is the entwining of the pinkies of two people to signify that a promise has been made. In the United States, the pinky swear has existed since at least 1860, when Dictionary of Americanisms listed the following accompanying promise: