Thanks to its ergonomic form of its beak and its head, the kingfisher can dive very quickly in the water without losing speed. It has very low turbulences and makes very few noises.
Japanese enginneers created the Shinkansen, this train reminds the kingfisher form. This new train is 10% faster, saves 15% energy comparing to the previous one and produces much less noise pollution when going in and out of the tunnels.
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