Science

. Today, satellites are launched into orbit by multi-staged satellite launch vehicles that can be used only once (expendable). These launch vehicles carry oxidiser along with the fuel for combustion to produce thrust. Launch vehicles designed for one time use are expensive and their efficiency is low because they can carry only 2-4% of their … Read more

The cost of access to space is the major deterrent in space exploration and space utilization. A reusable launch vehicle is the unanimous solution to achieve low cost, reliable and on-demand space access. Reusable Launch Vehicle-Technology Demonstration Program or RLV-TD is a series of technology demonstration missions that have been considered as a first step … Read more

GSLV-D5 is the eighth flight of India’s Geosynchronous Satellite Launch Vehicle (GSLV). It is also the fourth developmental flight of GSLV. GSLV-D5 vehicle is configured with its first and second stages similar to the ones flown during earlier GSLV missions. The third stage is the Indigenous Cryogenic Stage. The metallic payload fairing with a diameter … Read more

Chandrayaan-2 mission was a highly complex mission, which represents a significant technological leap compared to the previous missions of ISRO. It comprised an Orbiter, Lander and Rover to explore the unexplored South Pole of the Moon. The mission was designed to expand the lunar scientific knowledge through detailed study of topography, seismography, mineral identification and … Read more

. Ayushman Bharat is a National Health Protection Mission (AB-NHPM) a new centrally sponsored scheme was launched in 2018. This comes under Ayushman Bharat Mission anchored in the MoHFW. The Scheme has the benefit cover of ₹ 5 lakh per family per year. The target beneficiaries are to be more than 10 crore families belonging … Read more

With varying income groups in India, not everyone can afford expensive phones. In the US, Apple has over 44% market share. However, in India the iPhones with their higher security norms are used by less than 1% of mobile users. The widening gap between the security offered by the high-end iPhone and lower cost mobiles … Read more

The phenomenon of technology transfer has existed ever since the beginning of technological progress. Having significantly increased in recent years, it will probably attract the world’s attention for many years to come. Many developing countries now appear to be seeking technological progress through technology transfer to realize development in a much shorter time than that … Read more

. A Blockchain is a digital, immutable, distributed ledger that chronologically records transactions in near real time. The prerequisite for each subsequent transaction to be added to the ledger is the respective consensus of the network participants (called nodes), thereby creating a continuous mechanism of control regarding manipulation, errors, and data quality.”  Simply put, Blockchain … Read more

. NATGRID plays following important roles in India’s security: National Intelligence Grid or NATGRID is an intelligence grid connecting the databases of 21 core security agencies to collect comprehensive patterns of intelligence. These databases include railway and air travel, income tax, bank account details, credit card transactions, etc. Despite prone to such terror attacks, we … Read more

National Cybersecurity Coordination Centre (NCCC) It is India’s cyberspace intelligence agency which will conduct security and electronic surveillance. It aims to screen communications metadata and work in close coordination with various law-enforcement agencies for intelligence gathering. The body, functioning under the IT ministry, would strengthen the country’s cybersecurity posture. Some have expressed concern that the … Read more