The computer chip (the microchip). It has totally revolutionised every aspect of modern life.
The airplane.
i heard somewhere that the greatest invention of the 21st century is the internet.
apple
internet
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
Antibiotics.
i heard somewhere that the greatest invention of the 21st century is the internet.
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Woodwinds
apple
internet
Thoreau
Diego Rivera is considered the greatest Mexican painter of the twentieth century.
On the Twentieth Century was created in 1978.
One can view images of twentieth century telephones in online invention history websites and resources
No, it is mid to late twentieth century
The Twentieth Century Approaches was created in 1986.
The ISBN of The Unfinished Twentieth Century is 9781859847800.