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SCIENCE & TECHNOLOGY - September 2017

Sep 2017

Oct 15, 2020

Russian-US Crew Launches on Fast Track to Space Station

  • A trio of space travellers has been launched successfully to the International Space Station, for the first time using a fast-track maneuver to reach the orbiting outpost in just three hours.
  • NASA's Kate Rubins along with Sergey Ryzhikov and Sergey Kud-Sverchkov of the Russian space agency Roscosmos lifted off as scheduled from the Russia-leased Baikonur space launch facility in Kazakhstan for a six-month stint on the station.
  • For the first time, they are trying a two-orbit, three-hour approach to the orbiting space outpost. Previously it took twice as long for the crews to reach the station.

NASA to Launch Nano Satellite Developed by Three Tamil Nadu Students

  • An experimental satellite by three students from Tamil Nadu's Karur district will be launched by the National Aeronautics and Space Agency into the sub orbit in June, next on NASA's sounding rocket 7.
  • The three students M. Adnaan of Thanthonrimalai, M. Kesavan of Nagampalli and V. Arun of Thennilai — started with their experimental model when they were in their high school. Mentored by Chennai-based Space Kids India, the satellite model has outnumbered many other satellites designed as part of the global competition conducted by the Cubes in Space, a programme of Idoodledu Inc in association with NASA.
  • Their innovation, India Sat, which took more than two years of extensive research, has been deemed world's smallest and lightest satellite, made with reinforced graphene polymer is 3 cm in size and weighs 64 gm.

Oct 14, 2020

Five Thousand Villages to Receive Internet Using ISRO Satellites

  • In order to implement the Bharat net project, the BSNL has provided a contract to a private firm Hughes. The firm is to provide internet services to 5000 remote villages using ISRO satellites.
  • The remote villages to receive the internet connection are located in Tripura, Mizoram, Arunachal Pradesh, Eastern Ladakh and Manipur. In order to achieve this, the ISRO communication satellite such as GSAT 11 and GSAT 19 are to be used.
  • The ISRO satellites will be using a proprietary Jupiter system created by Hughes. It is a very small aperture terminal platform, VSAT platform. It is designed to provide highest possible efficiency and capacity for satellite broadband implementation. System is currently being used in more than 40 satellites worldwide.

Oct 13, 2020

IIT-Guwahati Signs MoU with the C-DAC, Pune

  • Indian Institute of Technology (IIT) Guwahati signed a Memorandum of Understanding (MoU) with the Centre for Development of Advanced Computing (C-DAC), Pune to establish Rs. 17 crore worth of 650TF Supercomputing Facility under the National Supercomputing Mission (NSM).
  • The MoU has been signed for a period of five years. This system will consist of 10 master/service nodes, 107 CPU only compute nodes, 10 GPU nodes and 39 High Memory CPU only compute nodes.
  • The MoU was signed by T.G. Sitharam, Director, IIT Guwahati, and Dr. Hemant Darbari, Director General, C-DAC, India.

Oct 11, 2020

ISRO Plans to Launch New Rocket by November 2020

  • The Indian space agency is working towards launching its new rocket `Small Satellite Launch Vehicle (SSLV)' before December 2020.
  • The necessary tests to check its biggest motor - booster motor fired by solid fuel - will be done in November.
  • The SSLV launch will be from the first launch pad at Sriharikota rocket port after the flight of Polar Satellite Launch Vehicle C49 (PSLV C49). Post PSLV C49`s flight, the launch pad set up has to be reconfigured to suit SSLV.

Oct 10, 2020

Iodic Acid Drives Amplification

  • An International team of scientists from the Stockholm University have identified that the iodic acid is the key driver of aerosol particle formation in The Arctic. These aerosols are responsible for the Arctic amplification. Their presence in the region has increased lately.
  • In the past 30 years the Arctic region has warmed twice the rate. This is called Arctic amplification.
  • The aerosol particles in the atmosphere influence the formation of Clouds. The clouds under the process called aerosol radiative forcing reflect solar radiation. They also retain heat on the earth surface. Increased aerosols in the atmosphere increases the heat retaining capacity of clouds which in turn ATS 2 to Arctic amplification.
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