An invention is a unique or novel device, method, composition or process, and an inventor is a person who creates or discovers an invention.
From ancient tools to the latest digital advances, human inventions have changed the world and transformed life on earth. Humans have dreamed up and created some amazing — and sometimes unorthodox — inventions. From the moment someone bashed a rock on the ground to make the first sharp-edged tool, to the debut of the wheel to the development of Mars rovers and the Internet, several key advancements stand out as particularly revolutionary. Questions:
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