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RE: NATURE INSPIRED INVENTIONS --- The Bullet Train; the reason why kingfisher are capable of diving into the water, barely making a splash.
Exactly @rharphelle, its all aerodynamic. If the train or any object that moves through the air is not just shaped in such a way that the air glides gently through it, it will surely experience so much drag that will result to a reduction in speed. Thanks for taking time to read this article.