By The Great Indian Civilizations of the Past
Ø Geometry seems to have been derived from the Indian word “Gyaamiti” which means measuring the earth.
Ø Trigonometry is similar to the word “Trikonamiti” which means measuring triangular forms.
Ø While Euclid is credited with the invention of Geometry in 300 BC, the concept of Geometry emerged in India around 1000 BCE, from the practice of making fire altars in square and rectangular shapes.
Ø The text “Surya Siddhanta” – 4th Century – describes amazing details of Trigonometry and was taken to Europe 1200 years later.
Ø The old Sanskrit text Baudhayana Shulba Sutra of 6th century BC mentions the value of Pi as approximately 3.
Ø Aryabhatta in 499 AD worked out the value of Pi to the fourth decimal place as 3.1416.
Ø “Pythagoras’ Theorem” – the square of a hypotenuse of a right-angled triangle equals the sum of the square of the other two sides – was actually worked out earlier by Baudhayana in the Baudhayana Shulba Sutra (6th century BC).
Ø 1000 years before Copernicus – In 5th century, Aryabhatta satted theat the earth is round, it rotates on its axis, orbits the sun, and is suspended in space. He also explained that lunar and solar eclipses occur by the interplay of the sun, moon and stars.
Ø 1200 years before Newton – The Law of Gravity was discovered by the ancient Indian astronomer Bhaskaracharya. He stated: “Objects fall on the Earth due to a force of attraction by the Earth. Therefore, the Earth, planets, constellations, moon and sun are held in orbit due to this attraction.
Ø Plastic surgery was being performed in India over 2600 years ago, as early as 600 BC by Shushruta, who is considered to be the Father of Surgery.
Ø Shushruta used cheek skin to perform plastic surgery to reshape the nose, ears and lips of people.
Ø He worked with 125 kinds of surgical instruments, including scalpels, lancets, needles, catheters.
Ø He also defined various methods of stitching: the use of horses’ hair, fine thread, fibers of bark and ants’ heads.
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