Category: Science

. Established in April 1987, the voluntary Missile Technology Control Regime (MTCR) aims to limit the spread of ballistic missiles and other unmanned delivery systems that could be used for chemical, biological, and nuclear attacks. The regime urges its 35 Read More …

Ayurveda ‘ Ayurveda’ literally means “Science of Life”. Ayurveda is evolved from the various Vedic hymns rooted in the fundamental philosophies about life, disease and health. The Charak Samhita and Sushruta Samhita developed around 2500 BC are the main treaties Read More …

. India is at the learning stage for many of the complex technologies required to create a BMD system. DRDO’s record in producing weapon systems has not been encouraging as exemplified by the delayed induction of the LCA, the failure Read More …

.  The Integrated Guided Missile Development Programme (IGMDP) was an Indian Ministry of Defence programme for the research and development of the comprehensive range of missiles. The programme was managed by the Defence Research and Development Organisation (DRDO) and Ordnance Read More …

Ballistic Missiles Ballistic missiles are powered by rockets initially but then follow an unpowered, parabolic, free-falling trajectory toward their targets. They are classified by the maximum distance that they can travel, which is a function of how powerful the missile’s Read More …

Space technology is not just about space exploration but it has huge role to play in socio-economic field. Socio-Economic development through application of space technology: Survey of various mineral and natural resources have been made possible through remote sensing. Management Read More …

Answer. Moon exploration has many possibilities: We could make use of lunar resources to facilitate scientific and economic activity in the vicinity of both Earth and Moon (so-called cis-lunar space) as well as future exploration deeper into the Solar System. Read More …

.  AVATAR is a single-stage reusable spaceplane capable of horizontal takeoff and landing, being developed by India’s Defense Research and Development Organization along with Indian Space Research Organization and other research institutions; it could be used for cheaper military and Read More …

GSAT-30 is aimed at providing high-quality television, telecommunications and broadcasting services. The 3,357-kg GSAT-30 derives its heritage from ISRO’s earlier INSAT/GSAT satellite series, and is equipped with 12 C and 12 Ku band transponders. GSAT-30 will serve as replacement to Read More …

.  The Polar Satellite Launch Vehicle (PSLV) has proved itself to be a versatile vehicle for diverse missions and is now the workhorse of ISRO. It was the first launcher to gain operational status.  PSLV is meeting the national requirements Read More …

The Global Positioning System (GPS) is a satellite-based navigation system made up of at least 24 satellites. GPS works in any weather conditions, anywhere in the world, 24 hours a day, with no subscription fees or setup charges. The U.S. Read More …

Rocket engine needs enormous amount of thrust to escape Earth’s gravitational pull. However the chemicals used for engines are Hydrogen and Oxygen (Hydrogen used as a fuel, while Oxygen as a oxidiser) that produces a good thrust, found in Earth Read More …

The objective of the policy is, to quote, “at meeting the growing demands on satellite communication requirements, promotion of space based communication activities by industry, advancements in the relevant indigenous technologies for self-sustenance and protection of space assets needed for Read More …

3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file.  The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying Read More …

Insat (Indian National Satellite System) was a multipurpose satellite system for telecommunications, broadcasting, meteorology and search and rescue services. Commissioned in 1983, Insat was the largest domestic communication system in the Asia-Pacific Region, and was a joint venture of the Read More …

IRS-1A, the first of the series of indigenous state-of-art operating remote sensing satellites, was successfully launched into a polar sun-synchronous orbit on March 17, 1988 from the Soviet Cosmodrome at Baikonur. The successful launch of IRS-1A was one of the Read More …

. 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 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 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. 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 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 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. 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 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 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 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 Read More …

The process of protecting communication networks has many challenges; some of them are discussed below: External sourcing of equipment and technology Much of the software and hardware that makes up communication system are imported from other countries (Chinese devices account Read More …

Home energy monitor is a small hand-held or table-top device with a screen that shows you how much electricity you’re using in your home – some models also allow you to receive the information on your mobile phone, tablet or Read More …

Digital India is an umbrella programme that covers multiple Government Ministries and Departments. It weaves together a large number of ideas and thoughts into a single, comprehensive vision so that each of them can be implemented as part of a Read More …

ATGM NAG has been developed by DRDO to engage highly fortified enemy tanks in day and night conditions. The missile has “Fire & Forget” “Top Attack” capabilities with passive homing guidance to defeat all MBTs equipped with composite and reactive Read More …

On March 27, DRDO conducted Mission Shakti, an anti-satellite missile test, from Dr APJ Abdul Kalam Island launch complex. One of India’s existing satellites operating in lower orbit used in the mission. The test was successful on all parameters. India Read More …

Gravitational Lensing is a natural phenomenon that magnifies light around galaxies.  The phenomenon occurs when a huge amount of matter, such as a massive galaxy or cluster of galaxies, creates a gravitational field that distorts and magnifies the light from Read More …

Steps of photosynthesis ? Carbon dioxide in the atmosphere enters the plant leaf through stomata, i.e., minute epidermal pores in the leaves and stem of plants which facilitate the transfer of various gases and water vapor. ? Water enters the Read More …

The VAIBHAV Summit is a global virtual summit of overseas and resident Indian Researchers and Academicians The aim of the summit is to bring Indian origin luminaries in academic institutes and R&D organizations across the world and resident counterparts on Read More …

The Government of India is organizing the Global Virtual Summit on Artificial Intelligence (AI), RAISE 2020- ‘Responsible AI for Social Empowerment 2020,’ Artificial Intelligence is considered to be the next giant technological leap similar to electricity and the internet. With Read More …

Properties of paints ? Exterior paint is exposed to all types of varying weather conditions. Exterior paint is therefore required to provide protection against UV radiation of the sun as well as fungal growth. ? It’s made to combat mildew Read More …

Although, the remote sensing includes a wide array of technologies and types, but they all are based on certain common concepts with the same basic components. The basic components of remote sensing system are given below: • Target • Energy Read More …

1. Endeavour to achieve an appropriate level of protection of human life and health and the protection of consumer’s interests, including fair practices in all kinds of food trade with reference to food safety standards and practices; 2. Carry out Read More …

Defence Research and Development Organisation (DRDO) has successfully demonstrated the hypersonic air-breathing scramjet technology with the flight test of Hypersonic Technology Demonstration Vehicle (HSTDV) at 1103 hours from Dr APJ Abdul Kalam Launch Complex at Wheeler Island, off the coast Read More …

parasitic nutrition In this type of nutrition, the organisms (called parasites) depend on the body of other living organisms (called their host) for getting their food. Many viruses, bacteria, fungi and animals have this mode of nutrition. The organisms which Read More …

Reflex action is an immediate involuntary response to a stimulus. In an involuntary response, a sensory impulse on reaching central nervous system is itself returned to a specific effector as a motor impulse without neuronal analysis and integration. Reflex responses Read More …

Pradhan Mantri Bhartiya Janaushadhi Priyojana (PMBJP) objective is to make quality medicines available at affordable prices for all, particularly the poor and disadvantaged, through exclusive outlets “Pradhan Mantri Bhartiya Janaushadhi Kendras”, so as to reduce out of pocket expenses in Read More …

Application of radioactivity: • Health: 1. Found extensive use in diagnosis and therapy eg. Phosphorous-32 is used to identify the cancerous cell. As cancer cell absorb more phosphorous, Iodine 131 is employ to determine cardiac output, plasma volume and fat Read More …