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This episode features reports from Darling in India and demonstrations from Hart-Davis, Jopson and other experts that examine the ideas and inventions that emerged from Ancient India.
Water clocks to regulate Buddhist meditations are discovered and recreated by Jopson for demonstration.
Observatories, like the 18th century Jantar Mantar, precisely monitored the sun for more accurate measurements of time.
Harappan cities, like the 4,000 year old Dholavira were built to a grid-plan and boasted the world's first sewage system.
Indian numerals, including the number zero discovered in a 9th century temple, revolutionised modern mathematics.
Cotton cultivated, woven and coloured with traditional techniques taught to Darling by local workers for export all over the world.
Metalworking resulted in wonders like the iron pillar visited by Darling and Wootz steel.
Yoga as demonstrated by Darling developed 4,000 years ago to unite the spiritual and the physical.
Herbal remedies, using ingredients such as cocoa butter, ginseng and ginger, have been adopted into Western medicine.
Surgery, including early plastic surgery, developed some 2,500 years ago.
Inoculation against smallpox, as demonstrated by Davis on Jompson, emerged centuries before Edward Jenner.
Chess is a simplified version of the ancient Indian game of military strategy chaturanga.
Rockets demonstrated at the Royal Artillery Museum were first deployed against the British Army by the Tipu Sultan in 1780.
(read story of ayappa)
