30 cool inventions and innovations from India

The Indus Valley Civilization (Established 3000 BCE / 5000 years ago) had shipping docks, wide roads, intersections, walled homes with running water, toilets, rooms, and public baths for people.

There have been many important inventions and innovations from India throughout history. Some examples include:

1. The concept of zero and the decimal system
2. The game of chess
3. The wheel
4. The surgical technique of plastic surgery
5. Ayurvedic medicine
6. The production of steel
7. The practice of yoga
8. The spinning wheel
9. The numbering system
10. The concept of atoms and molecules
11. The practice of meditation
12. The use of cotton for clothing
13. The construction of dams and canals
14. The use of hydraulic power
15. The production of cloth
16. The development of navigation technology
17. The art of making perfumes
18. The concept of a hospital
19. The technique of making soap
20. The technique of making glass
21. The use of natural gas
22. The use of irrigation
23. The use of fossil fuels
24. The development of metallurgy
25. The concept of the solar calendar
26. The art of making dyes
27. The use of shampoo
28. Algebra, Trigonometry, and Calculus
29. Sign convention
30. Universe is an illusion based in consciousness