(DIR) xkcd - A Webcomic of Romance, Sarcasm, Math and Language.
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       xkcd - A Webcomic - Ingenuity (2444)
        
       Image:
 (PNG) ingenuity.png
        
       Plot twist: Thanks to [mumble mumble] second-order [mumble]
       Rayleigh-Taylor [mumble] turbulent [mumble] shear, it turns out
       powered flight is way EASIER on Mars!
        
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