General Awareness

SCIENCE & TECHNOLOGY - August 2016

Aug 2016

Apr 14, 2022

Rare Close Conjunction of Jupiter, Venus, Mars, Saturn to be Seen in April 2022

The last week of April will see Jupiter and Venus coming together with the crescent moon passing below Saturn on 25 April, Mars on 26 April, and finally Jupiter and Venus on 27 April.
The month of April will see a rare celestial event as Saturn and Jupiter join Mars and Venus in conjunction.
While Mars and Venus had approached each other on 5 April to be closer than the apparent diameter of the moon, Jupiter joined them to form a trio for stargazers on 8 April.

Apr 13, 2022

SpaceX, NASA Aim to Launch Crew-4 Mission to ISS No Earlier than April 23

NASA and SpaceX now are targeting no earlier than April 23, for the launch of the agency's Crew-4 mission to the International Space Station from NASA's Kennedy Space Center in Florida.
The date provides the agencies time to complete final prelaunch processing for the Crew-4 mission following the launch of the Axiom Mission 1 to the ISS on April 8, 2022.
NASA will conduct a flight readiness review, which will focus on the preparedness of SpaceX's crew transportation system, the ISS, and its international partners supporting the flight.

Apr 12, 2022

IIT Mandi Researchers Develop Sustainable Methods of Soil Stabilisation Using Bacteria

Researchers at Indian Institute of Technology (IIT), Mandi, developed sustainable techniques for soil stabilisation using a harmless bacteria called S Pasteurii that hydrolyse urea to precipitate calcite.
The process does not involve hazardous chemicals, and natural resources can be used sustainably. The study will help in designing microbial methods to improve soil shear strength at the field scale to protect the soil from erosion in hilly areas and during geo-disasters, the researchers claimed.
Soil stabilisation is the process of conferring long-term permanent strength to the soil by artificial means. It is used when construction work must be carried out on unstable grounds or to protect soil from erosion. Traditionally, mechanical processes such as compression and chemical processes such as the injection of chemical grout fluids into the soil are used for soil stabilisation.

Apr 11, 2022

Axiom-1: First All-private Crew Launches to Space Station

Four astronauts left Earth on the first all-private mission to the International Space Station (ISS). The four men are called the Axiom-1 crew.
A former US space agency (Nasa) astronaut, Michael López-Alegría, is commanding the mission. Flying alongside him are US real estate entrepreneur and aerobatic pilot Larry Connor; Israeli investor and philanthropist Eytan Stibbe; and Canadian entrepreneur, investor and philanthropist Mark Pathy.
This mission was launched by SpaceX.

Apr 09, 2022

Amazon Signs Contract with Three Firms to Launch its Satellite Internet

The tech firm secured up to 83 launches over a five-year period, which the company claims is the greatest commercial launch vehicle procurement in history. Arianespace, Blue Origin, and United Launch Alliance (ULA) have agreed to deploy the majority of Amazon's Project Kuiper satellites, which aim to provide high-speed, low-latency broadband to a wide variety of clients around the world.
The tech firm has secured up to 83 launches over a five-year period, which the company claims is the greatest commercial launch vehicle procurement in history.
The contracts call for 18 launches on Arianespace's Ariane 6 rockets, 12 launches on Jeff Bezos' Blue Origin's New Glenn, with options for up to 15 more launches, and 38 flights on ULA's newest heavy-lift launch vehicle, the Vulcan Centaur.
The announcement brings Amazon's satellite internet constellation one step closer to reality, as Elon Musk's SpaceX continues to launch more Starlink satellites, bringing the total number of Starlink satellites launched to about 2300, and increasing Starlink's global subscriber base to about 2.5 lakh.

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