Flying high as a kite

Ozone Control in High - Flying

To conserve fuel whenever practicable, and to limit cost increases resulzing from world-wide increases in oil prices, passenger aircraft are now flying at higher altitudes than previously. This frequently takes them into the ozone-containing layer of the atmosphere, and when this is drawn into aircraft by air conditioning systems it may cause physical discomfort and irritation to aircrews and p...

Let's Go Fly a Kite.

‘You’re a kite dancing in a hurricane,

What would it mean to describe James Bond as a man in his element? As an expression in English, being “in one’s element” usually refers to someone or something well suited to what they are doing. The term often conveys, when a human actor is involved, a sense of comfort, enjoyment, and even pleasure. Conversely, when we note that someone or something is “out of their element”, we highlight othe...

The Symplectic Penrose Kite

The purpose of this article is to view the Penrose kite from the perspective of symplectic geometry. Mathematics Subject Classification 2000. Primary: 53D20 Secondary: 52C23 Introduction The kite in a Penrose aperiodic tiling by kite and darts [8, 9] is an example of a simple convex polytope. By the Atiyah, Guillemin–Sternberg convexity theorem [1, 6], convex polytopes that are rational can be ...

When is a Tangential Quadrilateral a Kite?

We prove 13 necessary and sufficient conditions for a tangential quadrilateral to be a kite.