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Ancient civilizations around the world had clever inventions that were so ahead of their time that they still puzzle modern scientists and engineers. History is filled with examples of incredible ...

Here are their 3 most incredible ancient inventions, the Windcatchers (their form of ancient air-conditioning), Yakhchals (their form of refrigeratoror freezer), and the Windmills. Trump signs ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...