Page-16 of GS-III: Science & Technology

What are the findings of the NASA study on the Arctic permafrost?

Permafrost is soil that has remained frozen for years or centuries under topsoil. It contains carbon-rich organic material, such as leaves, that froze without decaying. As rising Arctic air temperatures cause permafrost to thaw, the organic material decomposes and releases ..

What is Cold Atom Laboratory? Discuss its role and functions.

The Cold Atom Laboratory (CAL) is a facility built by NASA that has been designed to fly onto the International Space Station (ISS). Roles and Functions Achieving very low temperatures is a pre-requisite to study ultra cold gases. But; very ..

Bring out the key differences between two types of services — standard positioning service and restricted service to be provided by NavIC.

India launched its own navigation service known as NAVIC (Indian Regional Navigation Satellite System (IRNSS). It consists of constellation of seven satellites. NAVIC will provide two levels of service, the ‘standard positioning service’ will be open for civilian use, and a ..

How nanotechnology can aid in development of agriculture?

Nanotechnology refers to the manipulation of matter on an atomic, molecular, and supramolecular scale.  The application of nanomaterial’s in agriculture include plant protection products, minimize nutrient losses in fertilization, and increase yields through optimized nutrient management. Nanotechnology can be used to: Crop disease detection Nanotechnology devices and ..

With almost 70% of the Defence equipment still being imported, the goal of self reliance is distant dream in our country. What steps do you suggest towards self reliance in Defence production? Discuss.

Indigenous defence production is the essential component of long term strategic planning of a country. The heavy reliance on imports for defence is not only disturbing from the perspective of strategic policy and the role India has to play in ..

ISROs success in space can provide tangible benefits to Indian agriculture. Discuss.

ISRO has carved out a niche for itself as a global superpower in space. The success of ISRO can aid in growth of agriculture by:  Metrological data ISROs has successful launches in meteorological satellites like INSAT, SCATSAT, SARAL SSHA can ..

While highlighting its key functions and benefits, discuss how the recently launched South Asia Geostationary Communication Satellite will touch the lives of ordinary people living in South Asia? Are there any strategic objectives for India also towards launching this satellite?

South Asian Geostationary Communication Satellite was launched by Indian space agency ISRO for SAARC region. Bangladesh, Bhutan, Maldives, Nepal, Afghanistan and Sri Lanka will use the services from satellite. The satellite offers wide range of functions and benefits for the ..

Core Catcher in a Nuclear Reactor

Moscow based Rosatom state corporation has installed a core catcher or a core melt installation device at the Unit 3 of Kundakulam Nuclear Power Plant at Tamil Nadu. A core catcher is a device designed to cool and localise the ..