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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.
Dafuq is this!? Stress testing?
No, every once in a while the planes need to stretch out. They get tired from being so stiff. This helps their joints later in their life span.
Basically. The wings have to be able to bend that much so they don’t break off in strong winds or hard maneuvers.