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national technology dayNational Technology Day is celebrated every year on May 11 to commemorate the history of India’s technological inventions and expertise.

The day hold significance as India successfully tested nuclear bombs in Pokhran on May 11, 1998.

On the day when we celebrate India’s technological feats, we present to you five inventions by Indians that revolutionized the world:

1. Water on Moon
One of the biggest discoveries in the field of space research was the presence of water on moon. This historic discovery was made by India’s very own satellite Chandrayaan in 2009.

2. Fiber Optics
Fiber Optic communication has revolutionized the way our world communicates. It has not only brought the global community together but also shortened the distance between people. The man behind this technological breakthrough is Dr. Narendra Singh Kapany, who in 1954 demonstrated that light can travel through bent glass fibers.

3. Marconi’s Wireless Receiver
Sir J.C. Bose is often regarded as the ‘unsung hero of radio communication. Bose invented the Mercury Coherer, that was used by Guglielmo Marconi to receive the radio signal in his first transatlantic radio communication in 1901.

4. Metallurgy
Ancient Indians were pioneers in metallurgy. Not only have the Indians been credited for forging wrought Iron, but they are also reputed for producing high-quality steel in ancient times. One of the feats in the field of communication was creation of a seamless celestial globe by Muhammad Salih Thattvi in 1599 in Kashmir.

5. Plastic Surgery
Though plastic surgery seems to be an invention of the modern age. Earliest instances of plastic surgery can be found in Sushruta Samhita, an important medical text that is attributed to renowned physician Sushruta, who in 6th century BC performed reconstruction of nose.