General Awareness

SCIENCE & TECHNOLOGY - September 2018

Sep 2018

Aug 05, 2019

India test-fires Quick Reaction Surface-to-Air Missile

The Defence Research Development Organisation (DRDO) successfully test-fired the indigenously developed Quick Reaction Surface to Air Missile (QRSAM) from the Integrated Test Range (ITR) in Chandipur.
Two missiles have been tested against two live targets meeting complete mission objectives of engaging the targets. The systems have been tested in final configuration with radar mounted on a vehicle and missiles on the launcher.
The missiles with many state-of-the-art technologies engaged the targets at different ranges and altitudes.
The system is being developed for the Army with search and track on move capability with very short reaction time.
The systems are equipped with indigenously developed phased array radar, inertial navigation system, data link and radio frequency seeker.
The entire mission was captured by various electro-optical tracking systems, radar systems and telemetry systems at ITR Chandipur.

At IIT Tech Exhibit, Researchers Provide Simple Solutions For Everyday Problems

From a prototype of artificial skin for people with burn injuries to environment friendly LPG and kerosene cooking stoves, affordable cancer diagnosis technique to a device for detection of insecticides in fruits and vegetables, at least 143 such projects were on display at Indian Institute of TechnologyDelhi (IIT-D) during its annual technology exhibition (TechEx).
Around 50 institutions, including Indian Institute of Science (IISc-Bengaluru) and other IITs, participated in the event organised under two of the Union human resource development (HRD) ministry's flagship programmes —IMPRINT (IMPacting Research, INnovation and Technology) and Uchhatar Avishkar Yojana (UAY).
The programmes are intended to provide solutions for everyday problems through research.
During the event, Union HRD minister Ramesh Pokhriyal said researchers should select subjects of social concerns.

Aug 04, 2019

Godrej Security unveils robotic locker 'Autovault'

Godrej Security Solutions (GSS) has introduced a robotic locker 'Autovault.' "The robotic locker is modern and sophisticated.
It easy to install and requires less space," said Pushkar Gokhale, vice-president-head, B2B, Godrej Security Solutions. "Currently, the technology is being imported from Japan," he said.

New Isro Centre To Protect High-Value Space Assets

The Indian Space Research Organisation (Isro) has laid the foundation stone for a centre to monitor and protect high value space assets from space debris in Bengaluru.
The Space Situation Awareness and Management Centre will use the data from indigenous observation facilities, analyse it and generate useful tracking information. Isro has doubled the number of missions planned over a span of two years.
Space objects in the orbit around the Earth are also on the rise, increasing the need for tracking.
As of January 2019, space objects with a mass of nearly 8,400 tonnes were in the Earth orbit. About 22,300 debris objects are tracked by various space agencies, according to the European Space Agency. Of these, India currently has 97 satellites (functional or non-functional) in orbit, 38 rocket bodies, and 120 pieces of debris

Aug 03, 2019

Airtel Looks to Phase Out 3G

As per reports, Bharti Airtel would shut down its 3G network across India's 22 telecom circles by March 2020, and increase its focus on providing 4G services.
Process of shutting down was started the process last month, when the company wound down the 3G network in the Kolkata circle.
Vodafone Idea continues to provide 2G, 3G and 4G services.

Aug 01, 2019

ISpace Plans up to 8 Launches Next Year

Beijing-based startup iSpace is planning up to eight commercial rocket launches next year, after becoming China's first privately funded firm to put a satellite into orbit.
iSpace's success turned up the heat on the country's other 15-plus startups to develop vehicles capable of delivering satellites into orbit. Since late last year, two other firms have attempted but failed.
China envisions constellations of commercial satellites that can offer services ranging from high-speed internet for aircraft to tracking coal shipments. Reliable, low-cost and frequent deployment by private firms would be key.

Jul 30, 2019

Chandrayaan 2

According to ISRO, the orbit of Chandrayaan-2 around the Earth was raised for a third time to reach a highly elliptical orbit of 276 x 71792 km. The on-board propulsion system was fired for 989 seconds.
The third manoeuvre was completed successfully and the spacecraft parameters are all normal for now.
The propulsion systems have to be fired two more times on August 2 and 6 (2019) to increase the apogee or the point on the orbit farthest from the Earth.
A total of six manoeuvres had been planned in the 23-day duration that Chandrayaan 2 would spend going around the earth – one to increase the perigee or the point on the orbit closest to the Earth and five others to the apogee.
However, the rocket carrying Chandrayaan 2, India's heaviest GSLV Mark III, "over-performed" on the day of the launch giving a boost of 6,000 km to the spacecraft.
This reduced the number of manoeuvres to five – one to increase the perigee and four to increase the apogee – till the spacecraft left Earth-orbit and started its journey towards the moon.
The spacecraft will be injected in a trans-lunar orbit (orbit between Earth and moon) on August 14, 2019 with the parameters 266 x 4,13,623 km. The spacecraft is scheduled to reach a lunar orbit of August 20, 2019.

Reliance Jio Launches 'Jio Saarthi'

Reliance Jio launched a digital assistant 'Jio Saarthi' to make it easier for users to recharge online. The voice assistant has been integrated in Reliance's MyJio app and supports Hindi and English languages for now. Reliance plans to add 12 regional languages in the near future.
The Jio Saarthi voice assistant essentially guides users through every step of making an online recharge.
For instance, it helps locate where to tap to enter card details or how to find your card number or expiry date and where to enter it. While the feature has been integrated within the MyJio app, Reliance Jio would send a notification to users who have never done an online recharge.

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