Add Yahoo as a preferred source to see more of our stories on Google. A 1925 Popular Science illustration of Anton Flettner’s rotor ship, a “sailing ship without sails,” that amazed readers—and Albert ...

Ships harnessed winds as the primary means of propulsion for many centuries before steam engines took center stage in the 1800s; it's quite poetic how maritime travel was greenhouse gas-free long ...

Modern harbors are crowded with steel hulls and humming engines, not tall masts and canvas. The global fleet has traded wind for fuel because commercial shipping, naval power, and leisure boating now ...

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