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Kasavu is a technique used in handlooms of Kerala, with very fine threads of gold or silver used in weave to make border lines and designs on silk and cotton fabrics. This technique later spread to most of India and the Kasav technique was developed for many other fabrics across India.
Zinc was extracted in India as early as in the 4th to 3rd century BCE. Zinc production may have begun in India, and ancient northwestern India is the earliest known civilization that produced zinc on an industrial scale. [44] The distillation technique was developed around 1200 CE at Zawar in Rajasthan. [34]
TWAS Prize 1997 [12] Fellow of the Royal Society 1998 [2] Fellow of the Indian National Science Academy in 1996 [13] Padma Shri in 2001 [14] Infosys Prize in the Mathematical Sciences, 2009 [15] Fundamental Physics Prize, 2012, for his work on string theory [16] [17] [4] Padma Bhushan in 2013 [18] M.P. Birla Memorial Award in 2013; Dirac Medal ...
Quantum Physics, Surya Publication, ISBN 9788192571409; Foundation Science Physics for class 9, Bharati Bhawan Publishers & Distributors, ISBN 9788177097313; Foundation Science Physics for class 10, Bharati Bhawan Publishers & Distributors, ISBN 9350270064; Bhautiki Ki Samajh Part-1, Bharati Bhawan Publishers & Distributors, ISBN 9350271990
Debiprasad Chattopadhyaya (1977) History of Science and Technology in Ancient India: The Beginnings with a foreword by Joseph Needham. Project of History of Indian Science, Philosophy and culture, Volume 4. Fundamental Indian Ideas in Physics, Chemistry, Life Sciences and Medicine
The characterization technique optical microscopy showing the micron scale dendritic microstructure of a bronze alloy. Characterization, when used in materials science, refers to the broad and general process by which a material's structure and properties are probed and measured.
Faraday employed a 7 in. diameter by 10.5 in. tall pewter pail on a wooden stool,(B) [1] but modern demonstrations often use a hollow metal sphere with a hole in the top, [10] or a cylinder of metal screen, [9] [12] mounted on an insulating stand. Its outside surface is connected by a wire to a sensitive electric charge detector.
[9] There have been many different approaches to address the continuous problem. One approach uses an idea from transportation theory called optimal transport [10] to find a mapping between incoming light rays and the target surface. After obtaining such a mapping, the surface is optimized by adapting it iteratively using Snell's law of refraction.