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.

Brain Teaser

101 Inventions that Changed the World: A Math Perspective

Inventions That Shook The World

Inventions That Changed the World in the Last Decade

What are ostrich pillows? Which incident led to the invention of the slinky? What are Hamblin Glasses? Have scarves always been a fashion statement?

Cool Inventions That Changed the World

20 teen inventions that changed the world

8 Inventions of 20th Century that Changed the World

These Are the Most Famous Inventions Every Year Since 1954

5 More Important Inventions from the 20th Century