In ancient India, there were some people, really genius people who discovered things and theories which remained untouched and unthinkable for the other parts of the world for several centuries.
Let's know about some of the great discoveries of ancient India
1. Zero and the decimal system
India gave the world the digit Zero. If Zero doesn't seem important to you then you should know that every computer or smartphone or similar gadgets run on the binary system, and the binary system is all about 0s and 1s.
So, our life without Zero would be much harder than we think. Aryabhatta and Brahmagupta are known for the development of Zero and decimal system here.
2. "Chess'' and "Snakes and Ladders"
Chase is the game of intellectuals and it was discovered as "Ashtapadas" during the Gupta period (6th century AD). Gyandev, a 113th-century poet invented "Mokshapath" later it was called snakes and ladders and during the British Raj, it got its way to Uthe K and later to Uthe SA.
The used of first buttons was traced back to the Indus valley civilization around 2000 BCE, where people used these buttons for the ornamental purposes. Later it was used to fastening clothes.
4. Atomic theory
We all know John Dalton(1766-1844) is known as the father of atomic theory. Acharya Kanad had talked about it 2500 years before John Dalton.
He said, "There must be an indivisible matter called Anu(atom), that all things in the universe are made up of. Different substances have different composition s of these atoms that make them different ".
5. Law of Gravitation.
Bhaskaracharya, in his book Surya sSiddhanta400-500 AD) stated that " Objects fall on the earth due to the force of attraction by the earth. Therefore, the earth, moon and sun are held in orbit due to this attraction".
These lines are similar to that of Sir Isaac Newton's Law of Gravitation in 1687 AD.
6. Calculation of the revolutionary period of Earth
Centuries before the western discovery, Bhaskaracharya found that earth takes 365.258756484 days to revolt around the sun.
7. Rotation of Earth
Copernicus gave the heliocentric theory in 1543. Approx thousand years before in India, Acharya Aryabhatta claimed that the earth is round and it rotates on its axis and orbits the sun. He also calculated the motion of planets and the time of eclipses.
8. Luminousness of moon
Varahmihira in his book Pancha Siddhanta talks about the lustrousness of moon and planet is because of the light of the sun.
9. Galaxy is oval and earth is spherical.
When westerns used to believe that the earth is flat, our ancient book Yajurveda states that the Galaxy is a and Takara(oval) and the earth is gola(rounded or spherical).
2600 years before a scholar named Sushruta was doing surgeries which included plastic surgery, artificial limbs, cataract surgery, cesarean, rhinoplasty and much more. In his book Sushruta Samhita he talked about 300 surgical techniques and 125 surgical types of equipment.
Acharya Charak in his book Charak Samhita gave 1,00,000 herbal plants with their medicinal qualities. He established theories on human anatomy, embryology, blood circulation and much more. The book is considered the encyclopedia of the Ayurveda.
shampoos got its origin in India during mutual empire in 1762. Shampoo word is derived from the Hindu word "shampoo" came from Sanskrit word "Chapayati" meaning head massage.
13. Wireless communication
Other than G. Marconi. Two years before, Sir Jagdish Chandra bose was the first person who demonstrated the use of radio waves for communication in 1895.
Other than these inventions there are too many discoveries and theories that belonged to ancient India which were natural fibres like cotton, wool and jute, the notation of embryo and foetus in Srimadbhagwadgita, the creation of the universe by Kapil muni and much more.