20 inventions that changed the world

From the wheel 5,500 years ago to the birth control pill, these 20 inventions had huge ramifications and have helped humans shape the world around us.

TIME for Kids

Great inventions that changed the world, Review

20 Inventions That Changed The World!

Top 20 greatest inventions of all time - Big Think

Inventions That Changed the World in the Last Decade

5 More Important Inventions from the 20th Century

Highlight, take notes, and search in the book In this edition, page numbers are just like the physical edition

Great Inventions that Changed the World

31 Inventions of the 20th Century That Changed the Course of

Twenty years of changing the world for the better. Happy Birthday

21st-Century Inventions with the Biggest Impact

The 50 Greatest Breakthroughs Since the Wheel - The Atlantic