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originally posted by: mbkennel
Because they sure as heck don't write like anybody who could make turbojets. Didn't tell us about gravitation, atoms, electromagnetism, momentum, chemistry, thermodynamics---nothing.
How much did Isaac Newton get from Vedas or Bible for Principia Mathematica? Nothing.
Brahmagupta, the ancient Indian astronomer and mathematician, held the view that the earth was spherical and that it attracts things.
Aristotle attributed the first of what could be called a scientific discussion on magnetism to Thales of Miletus, who lived from about 625 BC to about 545 BC. Around the same time, in ancient India, the Indian surgeon, Sushruta, was the first to make use of the magnet for surgical purposes.
Verse 2: Arang Kaamaay Haryo dadhanwire sthiraay hinvanharayo Haree tura
Arvadbhiyor Haribhijorshameeyate so asya kaamam harivantamaanashe
The above mentioned speedy forces of two kinds set in motion strong currents, capable of maintaining steady progress in the attainment of one’s objective in plenty. Whatever complex is attained by these fast moving horsepowers, is enough to achieve the beautiful objective of his, the manufacturer.
Here the principles of electromagnetic force discussed are being used to generate motion. In addition, the reference to a liquid fuel propellant, informs us that a combination of high-speed and intense electrical power was used to produce a number of favourable results like exceptionally fast vehicular modes of transportation, as well as efficient manufacturing processes.
According to Rgveda, tanning of leather and dyeing of cotton was practised during this period. During the period c.1000-400 BC they made a particular kind of polished grey pottery known as Painted Grey Ware. Other varieties of pottery, for example, red or Northern Black-Polished (N.B.P.) Ware (600-200 BC), were also made later. These Wares indicate their mastery of control of kiln temperatures as also of the reducing atmosphere. The golden gloss of the NBP Ware is still a chemical mystery and could not be replicated.After the Vedas , came the classical texts like Brahmanas, Upanishadas and Puranas, which also give valuable information about the chemical activities of this period. Kautilya's Arthasastra (KA) was a scientific landmark of this period. KA described the production of salt from the sea and collection of shells, diamonds, pearls and corals. Charaka Samhita and Susruta Samhita were two celebrated Ayurvedic treatises on medicine and surgery. Chemical knowledge of the times especially that related to medicine was compiled in them.
The idea that matter is made up of discrete units is a very old one, appearing in many ancient cultures such as Greece and India. However, these ideas were founded in philosophical and theological reasoning rather than evidence and experimentation.