speech on scientist and their invention
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Good morning to everyone. Today I am going to give a speech on the topic scientists and their inventions.
Science plays an integral role in our day-to-day lives. From mobile phones, television, computer to space explorations and other technologies that we can’t do without, science and technology has come out as a blessing for us. Have you ever imagined what would we be doing if none of these things were invented? Let’s recall those great Indian minds who are behind such wondrous inventions and achieved recognition across the globe.
Avul Pakir Jainulabdeen (APJ) Abdul Kalam, is an Indian scientist who worked as an Aerospace engineer with Defence Research and Development Organisation (DRDO) and Indian Space Research Organisation (ISRO). Dr. Kalam started his career by designing a small helicopter for the Indian Army. Kalam was also part of the INCOSPAR committee working under Vikram Sarabhai, the renowned space scientist. In 1969, he was transferred to the ISRO where he was the project director of India’s first indigenous Satellite Launch Vehicle (SLV-III) which successfully deployed the Rohini satellite in near earth’s orbit in July 1980.
Renowned as the Father of India’s space programme, Vikram Sarabhai founded Physical Research Laboratory (PRL) in 1947. PRL is actively involved in research, related to five major fields of science. PRL is also instrumental in the PLANEX planetary science and exploration programme.
Homi J. Bhabha is the man behind Quantum Theory. Considered as the father of Indian nuclear power, Homi Bhabha convinced the Congress Party’s senior leaders, most notably Jawaharlal Nehru, to start the ambitious nuclear programme.
Chandrasekhara Venkata (CV) Raman won the Nobel Prize for Physics in 1930 for his pioneering work on scattering of light. Born in Tiruchirapalli on November 7, 1888, he was the first Asian and first non-White to receive any Nobel Prize in the field of science. He discovered that, when light traverses a transparent material, some of the deflected light changes in wavelength. This phenomenon is now called the Raman scattering and is the result of the Raman effect.
Srinivasa Ramanujan was an Indian mathematician and autodidact who, with almost no formal training in pure mathematics, made extraordinary contributions to mathematical analysis, number theory, infinite series, and continued fractions.At the young age of 11, he had exhausted the mathematical knowledge of two college students who were lodgers at his home.
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