This document discusses several famous inventors and their inventions such as Albert Einstein and his theory of relativity, Thomas Edison and the light bulb, and the Wright brothers and the airplane. It also describes how the telephone became widespread in the late 19th century and was later replaced by cellular phones. Additionally, it introduces the concept of "Chindogu" which are silly and useless inventions from Japan like a noodle hair guard or portable zebra crossing. The document ends by quoting Plato about the importance of thinking to progress.

1. Inventions & Discoveries that Have Changed People’s LifeNelly Chechuy

2. All our discoveries today are based on the ideas of men who lived before us; and without their groundwork, modern inventions would have been impossible.

3. FAMOUS INVENTORS

4. Albert Einstein

5. Theory of Relativity

6. Thomas Edison

7. Light Bulbs

8. Isaac Newton

9. Laws of MotionNewtons Telescope

10. Levi Strauss

11. Jeans

12. James Naismith

13. Basketball

14. Nathaniel Wyeth

15. The plastic soda bottle

16. Elisha Otis

17. Otis elevator

18. Orville & Wilbur Wright

20. Alexander Graham Bell

21. Telephone

22. Cell Phone CultureSince its invention in the second half of the nineteenth century, the telephone has become part of the everyday lives of billions of people around the world. - at least in richer countries. In the twentieth century cellular phones start to replace the fixed phones.

23. Cell Phone CultureCell phones have become associated with qualities of mobility and portability and became an example ‘digital technology’ or ‘new media’

26. CHINDOGUTHE ART OF SILLY & USELESS INVENTIONS

27. ‘Chindogu' is the Japanese word meaning the art of useless idea.A Chindogu cannot be for real use.A Chindogu must exist.Chindogu are tools for every day life.Chindogu are not for sale.Chindogu cannot be patented.

28. The noodle eater’s hair guard

29. DUSTER SLEEPERS

30. FOOD COOLER

31. Back Scratcher's T-Shirt.The solution to infernal itching

32. Portable officeFinally the essential accessory of the businessman's uniform, the neck tie, is of practical use.

33. Personal rain saver

34. Hay Fever Hat

35. Portable Zebra Crossing

36. Solar powered lighter

37. “We progress when wethink more and better.”-Plato

38. NOW IT’S YOUR TURN!