General Awareness

SCIENCE & TECHNOLOGY - December 2018

Dec 2018

Oct 17, 2022

NASA's SpaceX Crew-4 Safely Returns to Earth

NASA's SpaceX Crew-4 astronauts aboard the Dragon spacecraft safely splashed down off the coast of Jacksonville, Florida, completing the agency's fourth commercial crew mission to the International Space Station. The international crew of four spent 170 days in orbit.
NASA astronauts Bob Hines, Kjell Lindgren, and Jessica Watkins and ESA (European Space Agency) astronaut Samantha Cristoforetti returned to Earth in a parachute-assisted splashdown. Teams aboard SpaceX recovery vessels retrieved the spacecraft and astronauts. After returning to shore, all astronauts flew to NASA's Johnson Space Center in Houston.
Hines, Lindgren, Watkins, and Cristoforetti travelled 72,168,935 miles during their mission, spent 170 days aboard the space station, and completed 2,720 orbits around Earth. Lindgren logged 311 days in space over his two flights, and with the completion of their flight, Cristoforetti logged 369 days in space on her two flights, making her second on the all-time list for most days in space by a woman. The Crew-4 mission was the first spaceflight for Hines and Watkins.

NASA's Lucy Spacecraft Swings by Earth to Reach Jupiter Asteroids

A NASA spacecraft named Lucy, the first mission to the Jupiter Trojan asteroids, skimmed the earth's atmosphere, passing a mere 350 km above the surface to gain some of the orbital energy it needs to travel to this never-before-visited population of asteroids.
The Trojan asteroids are trapped in orbits around the Sun at the same distance as Jupiter, either far ahead of or behind the giant planet.
As per NASA, Lucy is currently one year into a 12-year voyage and this gravity assist will place it on a new trajectory for a two-year orbit, at which time it will return to Earth for a second gravity assist.
This second assist will give Lucy the energy it needs to cross the main asteroid belt, where it will observe asteroid 'Donaldjohanson', and then travel into the leading Trojan asteroid swarm.
There, Lucy will fly past six Trojan asteroids: Eurybates and its satellite Queta, Polymele and its yet unnamed satellite, Leucus, and Orus.
Lucy will then return to Earth for a third gravity assist in 2030 to re-target the spacecraft for a rendezvous with the Patroclus-Menoetius binary asteroid pair in the trailing Trojan asteroid swarm, according to the space agency.

Bharti Airtel Introduces 'Always On' IoT Connectivity Solution with eSIM

Bharti Airtel launched the 'Always On' IoT (Internet of Things) connectivity solution in the domestic market.
The 'Always On' solution contains dual profile M2M (machine to machine) eSim, which allows an IoT device to stay connected to a mobile network from different Mobile Network Operators in the eSIM.
An 'eSIM' is a SIM card that is embedded in a mobile device and can connect you to any operator that offers eSIM services.

Oct 16, 2022

CERT-In and Power-CSIRTs Jointly Conduct Cyber Security Exercise "PowerEX-2022"

Indian Computer Emergency Response Team (CERT-In) in collaboration with Power-CSIRTs (Computer Security Incident Response Teams in Power sector), successfully designed & conducted the Cyber Security Exercise "PowerEX" for 193 invited Power Sector Utilities. The Exercise Planner Team of Power-CSIRTs' officials worked along with CERT-In team on the exercise day as Exercise Coordinators. The Objective of the exercise was to "Recognize, Analyse & Respond to Cyber Incident in IT & OT Systems".
The theme of the exercise was "Defending Cyber induced disruption in IT & OT infrastructure". Exercise "PowerEX" was hosted by CERT-In on its exercise simulation platform. Around 350+ official from various Power Sector Utilities participated in the event. Exercise "PowerEX" was successful in meeting its objectives and helped the participants to learn, practice and respond to cyber security incidents.

Oct 15, 2022

President Droupadi Murmu Inaugurates Supercomputer Facility at IIT Guwahati

President Droupadi Murmu inaugurated a supercomputer facility at the Indian Institute of Technology, Guwahati.
Called Param-Kamrupa, the facility would be able to conduct advanced research in various scientific fields. She also inaugurated a high power active and passive component laboratory called SAMEER at the institute.
Param-Kamrupa is a state-of-the-art supercomputer set up under the National Supercomputing Mission (NSM). With this facility, IIT Guwahati will be able to carry out research on weather and climate, bioinformatics, computational chemistry, molecular dynamics, artificial intelligence (AI), machine learning, data science, etc.

Oct 14, 2022

NASA's Dragonfly Rotorcraft

NASA's Dragonfly rotorcraft is scheduled to reach the Selk Crater region on Saturn's moon Titan in the year 2034. Scientists have characterised the landscape of this region by analysing radar images of the area acquired by the Cassini spacecraft during its 13 years of exploring the Saturn system. In short, it is a patchwork of sand dunes and broken-up ice.
As per NASA, Titan is an ideal destination to study astrobiology, prebiological chemistry and the potential habitability of an extraterrestrial world. This is because it is an ocean world dominated by water and ice with a carbon-rich chemistry. The moon has a subsurface ocean of liquid water, methane lakes and rivers on the surface.

Oct 13, 2022

Adani Data Networks Gets Licence For Full Fledge Telecom Services

Adani Data Network was granted unified licence for access services, which enables it to provide all telecom services in the country.
Adani Group entered the telecom sector after buying spectrum in the recent auction.
Adani Data Networks Ltd (ADNL), a unit of Adani Enterprises Ltd, acquired the right to use 400MHz of spectrum in the 26GHz millimetre wave band worth Rs. 212 crore for 20 years in the recent 5G spectrum auction.
The Adani Group had said that it plans to use the airwaves for its data centres as well as the super app it is building to support businesses from electricity distribution to airports, and gas retailing to ports.

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