In many ways, the 20th century was defined by groundbreaking scientific discoveries and revolutionary new technologies.

20th-Century Inventions That Changed the World

Science & Industry

I n many ways, the 20th century was defined by groundbreaking scientific discoveries and revolutionary new technologies. When the century began, the industrialized world was still using the steam engine, and as it came to a close, the digital age had ushered in transformational new inventions.

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