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It's crazy that a 60 ton metal airplane can just fly
(lemmy.world)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.
It's the main production of lift for asymmetrical airfoils, symmetrical airfoils rely on angle of attack. Basically they point the wings at an upward angle to push air down. This can work upside down.