Question

What are some inventions that revolutionized the world?

Answer 1

most important invention is wheel (ofcourse)
smartphone and vaccine ....and yumm

Answer 2

Dear friend,
From ancient tools to the latest digital advances, human inventions and technologies have shaped civilizations and transformed life on the Earth.  As expectations and capabilities evolve, each new generation possesses its own set of innovative thinkers. Right from the invention of the wheel to the development of Mars rover, several inventions are revolutionary.
Most major inventions don’t have one inventor. Throughout the years, many innovative inventors have had their hand in both the elevation and evolution of an invention.

Here are few eg. of revolutionary inventions
(from my GK)-

1. Wheel
2. Compass
3. Automobile
4. Steam Engine
5. Petrol
6. Railways
7. Airplane
8. Fire
9. Electricity
10. Telegraph
11. Steel
12. Antibiotics
13. X-ray
14. T.V.
15. Refrigerator
16. Camera
17. Computer
18. World wide web (www)
19. ATM's
20. Robots

Hope this information will help you!