File:The bee a flying paradox? gravity vs the genius of the evolution.tif
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Svenska: Apis mellifera. Särskilt på 1930-talet var det en utbredd uppfattning bland biologer, med hänvisning till aerodynamikens grundlagar, att vissa steklar - bin och humlor - inte skulle kunna skapa tillräckligt med lyftkraft på grund av sina relativt små vingar för att kunna flyga. En paradox. I verkligheten karakteriseras deras flykt av en oscillerande vinge, som mer påminner om ett helikopterblad, än en flygplansvinge. Utöver det skapar vingens form och rörelsemönster en luftvirvel precis ovanför vingen och den ger upphov till ökad lyftkraft. Dessutom använder honungsbiet liksom många andra insekter upplagrad energi vid generering av rörelse-energi som sedan släpps lös momentant. Energilagringen inför varje vingslag sker med hjälp av ett elastiskt ämne, kallat resilin, som är det mest elastiska ämne vetenskapen känner till, mycket mer elastiskt än någon konstprodukt. Open resource: Wikipedia.
English: It was said in the thirties that the honeybee would not be able to create enough lifting force due to its relatively small wings to be able to fly - a paradox?! In reality, the bees flight is characterized by an oscillating wing, more reminiscent of a helicopter blade, than an aircraft wing. In addition, the wing's shape and movement pattern create an air vortex just above the wing and it gives rise to increased lifting force. Source: Wikipedia.
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| Author | Sw3dPix |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 02:37, 31 May 2021 |  | 3,508 × 2,458 (24.69 MB) | Björn Söderlund, Sw3dPix (talk | contribs) | Uploaded own work with UploadWizard |
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