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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 ...

the world adopted the gun and many improvements were made to it. Electric and gas-operated models of the 1890s could fire 300 rounds a minute. The last Gatling guns were manufactured in 1911. The ...