General Awareness

SCIENCE & TECHNOLOGY - October 2018

Oct 2018

May 17, 2020

ARCI Scientists Develop Next-Generation Biodegradable Metal Implants

Scientists at the International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) and Sree Chitra Tirunal Institute of Medical Sciences, Thiruvananthapuram both autonomous institutes under the Department of Science & Technology (DST) have jointly developed new generation Iron-Manganese based alloys for biodegradable metal implants for use in humans.
Biodegradable materials (Fe, Mg, Zn, and polymer), which can participate in the healing process and then degrade gradually by maintaining the mechanical integrity without leaving any implant residues in the human body are better alternatives to currently used metallic implants which remain permanently in the human body and can cause long-term side effects like systemic toxicity, chronic inflammation, and thrombosis.

May 16, 2020

DST INSPIRE Develops Lightweight Carbon Foam That can Replace Lead Batteries

INSPIRE under the Department of Science & Technology (DST), Government of India has developed porous carbon materials that have the potential to replace the lead grid in lead-acid batteries.
The carbon foam was developed by Dr. Rajeev Kumar from CSIR-Advanced Materials and Processes Research Institute, Bhopal, a recipient of the INSPIRE Faculty Award.
The carbon foams are non-toxic, easy to fabricate, affordable, and insoluble in water.

CERT-In Warns of Mobile Banking Android Malware 'EventBot

A mobile banking malware called "EventBot", which steals personal financial information, may affect Android phone users in India, the federal cyber-security agency has said in an advisory.
The CERT-In has issued a caution, saying the Trojan virus may "masquerade as a legitimate application such as Microsoft Word, Adobe flash and others using third-party application downloading sites to infiltrate into victim device".
A Trojan is a virus or malware that cheats a victim to stealthily attack its computer or phone-operating system.

JNCASR Develop Injectable Silk Fibroin-based Hydrogel for Sustained Insulin Delivery

Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) has developed an injectable Silk fibroin-based hydrogel for sustained insulin delivery in diabetic patients.
The injectable Silk fibroin-based hydrogel is developed using the biocompatible additives, The injectable SF hydrogel (iSFH) can ease insulin delivery in diabetic patients.
The injection was tested on diabetic rats.

May 14, 2020

South Africa's MeerKAT Solves Mystery of 'X-galaxies'

Many galaxies far more active than the Milky Way have enormous twin jets of radio waves extending far into intergalactic space. Normally these go in opposite directions, coming from a massive black hole at the centre of the galaxy. However, a few are more complicated and appear to have four jets forming an 'X' on the sky.
Exquisite new MeerKAT observations of one such galaxy, PKS 2014-55, strongly favor the latter explanation as they show material "turning the corner" as it flows back towards the host galaxy; the results have just been accepted for publication in the journal Monthly Notices of the Royal Astronomical Society.
This work was carried out by a team from the South African Radio Astronomy Observatory (SARAO), the (US) National Radio Astronomy Observatory (NRAO), the University of Pretoria, and Rhodes University.

Astronomers Discover 'One in a Million' Super-Earth

Astronomers at the University of Canterbury (UC) have found a new "one in a million" Super-Earth planet towards the genre of the galaxy.
The planet-hunters' research has been published in The Astronomical Journal, which states that the size and orbit of this planet are comparable to that of Earth.
The newly discovered planet is among only a handful of extra-solar planets that have been detected with both sizes and orbits close to that of Earth.

May 13, 2020

China Launches Two Satellites to Test Space Based Communication Technology

On 12th May 2020, China launches two satellites Xingyun-2 01 and 02 into the orbit by Kuaizhou-1A (KZ-1A) carrier rocket from the Jiuquan Satellite Launch Center in the northwest China, to test the space-based Internet of Things (IoT) communication technology.
The Satellite was developed by Xingyun Satellite Co. to conduct tests on technologies including space-based IoT communications, inter-satellite laser communications and a low-cost commercial satellite platform.
Kuaizhou(KZ-1A) is a low-cost, solid-fuel carrier rocket featuring high orbit precision and a short preparation period.
The Rocket is developed by an affiliated company of Sanjiang Group under the China Aerospace Science and Industry Corporation (CASIC) used to launch low-orbit small satellites.

May 10, 2020

Brown Dwarf Shows Jupiter Like Cloud Bands

The team of astronomers has discovered that Luhman 16A, the closest brown known dwarf, has been showing the signs of cloud bands. They are similar to those seen on Saturn and Jupiter.
The technique of polarimetry has been used for the first time by the scientists in order to determine the properties of atmospheric clouds that are outside of the exoclouds or solar system.
Brown dwarfs are those objects that are lighter than the stars but heavier than the planets. They typically have the 13 to 80 times the mass of the Jupiter.

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