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EDUCATIONAL TECHNOLOGY

  EDUCATIONAL TECHNOLOGY 1 UNIT From the ancient abacus to handheld calculators, from slide projectors and classroom film strips to virtual reality and next-generation e-learning, educational technology continues to evolve in exciting new ways inspiring teachers and students alike. Technology is continually changing the way we work and play, create and communicate. So it's only natural that advancements in digital technology are also creating game-changing opportunities in the world of education. For teachers, technology is opening up new possibilities to enrich and stimulate young minds. Today, there is growing excitement around the potential for assistive technology, virtual and augmented reality, high-tech collaboration tools, gamification, podcasting, blogging, 3D printing, artificial intelligence, personalized learning and much more. Educational technology is a systematic and organized process of applying modern technology to improve the quality of education (efficie...
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English essay India's own Satellite Programme

English essay India's own Satellite Programme

India's own Satellite Programme essay poster
What is it:-
Satellite is a space-craft that orbits round the Earth, Moon or other planets. Its purpose is to gather information and disburse messages. The name of first two Indian satellites were Aryabhatta and Bhaskar. They were launched from Russia by Russian rockets. The third satellite was Rohini. This was the first satellite to be launched from Indian soil. It was launched from Sriharikota in Andhrapradesh on July 18, 1980. It weighed about 35 kgs. It was sent up by a rocket called SLV-3. This satellite was designed by ISRO (Indian Space Research Organisation). At that time its Chairman was Dr. S. Dhawan. This satellite was completely built up by Indigenous method. It was the pride of our country.

Gamma-ray satellite

    On May 4, 1994 India launched another satellite (SROSS-C2) from Sriharikota. The launch was cent percent success and went off without any hitch. The SROSS-C, carried two payloads namely the Gamma-Ray Burst experiment and the Retarding Potential Analyser. The former was designed to detect celestial gamma-ray bursts, and the latter was designed to investigate the characteristics of the equatorial and low latitude ionosphere and thermosphere.

Indigenous satellite

    Another chapter on space saga opened when on 29.9.1997, the indigenous PSLV-CI rocket hurtled the 1200-kg IRS-ID (India Remote Sensing Satellite) into its sunsynochronous orbit. As this soared into the sky from Sriharikota, it made every Indian swell with pride. It was the best gift to the nation on the golden jubilee of Indian Independence.

Indian Space Department (ISD)

    With the launch of IRS-ID, Indian Space Department has become a force to reckon with. India is now able to earn foreign exchange by launching low earth orbit spacecraft weighting 400- 500Kg. for other countries. India has got contracts for the same from several countries.

Conclusion

    Now, India has acquired finer knowledge to launch sophisticated satellites indigenously. It is essential for our network programmes and for defence purposes. India is now also in a position to provide launch services to foreign satellites commercially. It has become fully self-reliant in its ambitious space programmes. India's achievements in this regard show that our scientists and engineers are equal to those in advanced countries.

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