Science and Tech Weekly Brief: All major updates from February 6-12, 2021

Here's an article listing all the weekly briefs of Science and Technology of the past week from February 6-12, 2021. Josh brings an amalgamation of all science and tech events for the candidates preparing for competitive exams.
Created On: Feb 12, 2021 15:15 IST
Modified On: Feb 12, 2021 20:13 IST
Science and Tech Weekly
Science and Tech Weekly

Listed below are all the important events that have happened over the past week in the field of Science and Technology. Know about all important updates like Smart wall for borders, Sri Shakti Satellite and others here. 

What is Smart Wall for Borders?

  1. Joe Biden has halted the construction of the border wall between the US and Mexico and has proposed an alternative smart wall in place of that.
  2. Smart Wall would be solving border security issues without causing a physical barrier using sensors, radars and other surveillance technologies to detect and track border break-in.
  3. The wall would be creating a technological barrier that is, it is too high to climb over or too wide to go or too deep to burrow.
  4. The wall would be using Internet of Things(IoT) like sensors, security cameras, software solutions and more. 
  5. The wall would also be capable of distinguishing between animals and humans and vehicles. An alert would also be generated to the officers if there is a breach by humans.

Know all details about Smart wall for borders here 

Sri Shakti Sat


Students of Sri Shakthi Institute of Engineering and Technology of Coimbatore have designed a satellite named Sri Shakti Sat. It would be launched by ISRO chairman on February 28, 2021. 

The Inspiration:

The formation of the Indian National Space Promotion and Authorisation Centre in June last year had inspired 12 students of the institute to collaborate with ISRO and develop 'SriShaktiSat'.

About the Satellite:

  1. Sri Shakti Sat is a nanosatellite that weighs only 460 grams
  2. Indian National Space Promotion and Authorisation Centre called IN-SPACe would help launch it
  3. Along with the Sri Shakthi satellite, ISRO would also launch the satellite developed by two other institutions from Chennai and Nagpur, in its UNITYSat.
  4. The institute is also a member of the satellite network open ground state and made a ground station. 
  5. Sri Shakthi institute is also a member of the Satellite Networked Open Ground Station (SATNOGS) project.
  6. The active period of the satellite is six months but the signals would be sent for the next three years in continuation. 
  7. As the satellite would be placed at 500km to 575km above the earth, it would cross India twice in a day. 

World's largest Radio Telescope:

Square Kilometre Array (SKA) observatory is an intergovernmental organisation which is new and dedicated to radio astronomy. It is headquartered in the UK. The largest radio telescope is called the Square Kilometre Array telescope. Currently, organisations from ten countries are a part of the SKAO. 

  1. Australia
  2. Canada
  3. China
  4. India
  5. Italy
  6. New Zealand
  7. South Africa
  8. Sweden
  9. Netherlands
  10. UK

What is a Radio telescope?

Radio telescopes have the potential to detect invisible gases which normal telescopes cannot do. This is the reason why they can reveal areas of space that are blocked due to cosmic dust.  Know all about SKA telescope here

The first-ever radio signals were detected by physicist Karl Jansky in the 1930s

About Combat Air Teaming System

  1. It is a composite combination of manned and unmanned platforms that work to penetrate any place/ airspace, heavily and potentially defended by the enemy.
  2. Combat Air Teaming System parts that were displayed at Aero India 2021 also included a cruise missile named CATS Hunter along with CATS ALFA-S switchblade swarm drone.
  3. This manned-unmanned teaming system is still in its early stages in India

About Air Power Teaming System

The system comprises various drones put together in a carrier. The carrier is then mounted on a fighter. It has the ability to glide 100 km before deploying the drones.

These drones are capable of hitting enemy targets like surface to air missiles sites and also the aircraft that are parked on the ground. The loyal wing man could be armed with air-to-air and air-to-ground missiles as well.  Air combat teaming system details 

About Tata's Military aircraft

  1. This aircraft would be based on the Grob G 180 SPn. It is a German-made jet that did not reach its final production due to financial distress. 
  2. This aircraft is capable of flying at an altitude of 41,000 feet, having a maximum altitude of 45,000 feet. 
  3. It would be used for cross-border surveillance and signal intelligence and various other military purposes. 

Read more on Tata's Military Aircraft

Science and Tech Weekly Brief: In Short

Topic Explanation
SKAO Square Kilometre Array observatory is an intergovernmental organisation which is new and dedicated to radio astronomy.
Radio Telescope Radio telescopes are capable of detecting invisible gases which normal telescopes cannot do. 
SAAW SAAW is an indigenously developed precision-guided, long-range,  stand-off munition made and designed by Defence Research and Development Organisation 

Know all the weekly brief from January 31 to Feb 6 here

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