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Clouds come in a bewildering variety of sizes and shapes. While they may all be fractal, some would require 3D shapes such as spheroids or ellipsoids to contain them while others – flat, elongated and perhaps wispy – might fit into thin 2D “sheet – like” containers. The 3D-looking ones tend to be smaller while […]
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“Fasten your seatbelts, we are expecting turbulence”. On long-haul flights this is a routine announcement intended for the lay public, yet it conveys a deep-seated misconception about the nature of turbulence. The misconception is that atmospheric air motions are basically smooth (technically, “laminar”) occasionally interspersed with small embedded turbulent zones: the implication is that somehow […]
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