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Você sabia que o design dos trens-bala japoneses foi inspirado no bico de um pássaro? O problema era barulho: os antigos Shinkansen causavam explosões sonoras ao sair de túneis, por conta da onda de pressão. A solução veio da natureza! Engenheiros observaram como o martim-pescador mergulha na água quase sem fazer splash, graças ao seu bico fino e alongado. Ao redesenhar a frente dos trens imitando esse formato, os resultados foram incríveis: mais velocidade, menos ruído e até 15% de economia de
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