General Awareness

SCIENCE & TECHNOLOGY - January 2019

Jan 2019

Mar 30, 2023

NASA to Send 4 Humans to Live on Mars

The National Aeronautics and Space Administration (NASA) is preparing four individuals to live on Mars in June 2023. The four "Martians" will be a part of NASA's human exploration trip on Mars, even though the American space agency has long sought to send humans to the neighbouring planet. Also, NASA has sent satellites, the InSight lander, a rover mission with the Perseverance rover, the Ingenuity small robotic helicopter, and related delivery systems, all of which are intended to provide the Red Planet with its first comprehensive examination. The four volunteers are a part of a 12-month project to get people ready for visiting Mars. When humans eventually land on Mars, they will do so in a habitat that replicates the circumstances there.

Mar 29, 2023

Scientists Find Reservoir Containing Substantial Quantities of Water on Moon

Researchers discovered water trapped in tiny beads spread across the surface of the Moon. It is based on samples of the lunar surface brought back by China's Chang'e 5 mission. The beads embedded in the surface contained substantial quantities of water.
Researchers saw microscopic droplets trapped in minerals in the samples. They said that the discovery may help in better understanding of the Earth's neighbour and space missions that could use it as a habitat.
For years, it was believed that Moon is dry but space missions in the last few decades found water trapped inside the surface.

Mar 26, 2023

Rahul Roy-Chowdhury to be Grammarly's Next CEO

Indian-origin Rahul Roy-Chowdhury will take over as the CEO of Grammarly, a communication assistance technology tool. Brad Hoover, the current CEO announced the change. He said that Rahul's product and technology background is a huge asset, as is his ability to help navigate the road ahead.
He previously worked for Google in various capacities, including vice-president of product management.

Mar 25, 2023

India's Largest Rocket LVM3 Performs Second Commercial Mission

The Indian space agency, ISRO launched its largest rocket LVM3 from the second launch pad at the Satish Dhawan Space Centre in Sriharikota, Andhra Pradesh. This was the rocket's sixth mission overall and its second commercial mission. Notably, this was also the shortest duration in which ISRO carried out two missions of the LVM3 rocket - on October 23rd, 2022 and March 26, 2022. Such quick execution was carried out in order to meet the timelines of the customer whose satellites were launched.
The rocket carried 36 OneWeb Gen-1 satellites with a total mass of 5,805 kg, into a 450 km circular Low Earth Orbit with an inclination of 87.4°. OneWeb, a UK-based firm backed by India's Bharti Group.
LVM3 is a three-stage vehicle with two S200 solid motors as the first stage, L110 twin liquid engines as the second stage and a final C25 cryogenic upper stage. This 43.5 m tall vehicle has a lift-off mass of 643 tonnes.

World's 1st 3D-Printed Rocket Launched

The world's first 3D-printed rocket was launched successfully, marking a step forward for the California company behind the innovative spacecraft, though it failed to reach orbit.
Billed as less costly to produce and fly, the unmanned Terran 1 rocket was launched from Cape Canaveral, Florida but suffered an anomaly during second-stage separation as it streamed towards low Earth orbit.
While it failed to reach orbit, the launch proved that the rocket, whose mass is 85 percent 3D-printed, could withstand the rigors of lift-off.
The successful launch came on the third attempt. It had originally been scheduled to launch on March 8 but was postponed at the last minute because of propellant temperature issues.
A second attempt on March 11 was scrubbed due to fuel pressure problems.

Mar 24, 2023

Intel GPU Chief Raja Koduri Quits

Indian-American Raja Koduri, head of Intel's Accelerated Computing Systems and Graphics Group, quit the chip-making major to form his own generative artificial intelligence (AI) start-up.
He was hired by Intel from AMD in 2017.

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