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who make pretensions to science, and practical mechanics, it is certainly presumptive evidence that some of them ... roads. An invention to be successful must not only be new, but useful—an ...

"Some may argue that the technologies the 'four new great inventions' are based on did not originate in China. That is true, but it is China that used the technologies to come up with the new ...

saw groundbreaking medical advances, major space exploration milestones, and progress in ancient genetics, marking exciting discoveries.