Science

The history of medicinal plants is intimately connected with the history of botany. Primitive man, in constant terror of diseases, lived at the mercy of nature. From the earliest times, tribal priests and medicine men (witch doctors) used various plants, minerals and animal organs, usually in association with strange rituals and incantation, to drive out … Read more

Hot Spot is an image sensing system which makes use of infra-red cameras to find out if the batsman has nicked the ball. This technology was first introduced in cricket by a Melbourne based company, BBG Sports. Although two infrared cameras are enough, generally four infrared cameras are used to record the game continuously. The … Read more

It is an infectious and sometimes fatal viral disease. Affects cloven-hoofed animals, including domestic and wild bovids. The virus causes a high fever for two or three days, followed by blisters inside the mouth and on the feet that may rupture and cause lameness. The virus responsible for the disease is a picornavirus, the prototypic … Read more

  Thrust Areas Varietal Development and PVP Seed Production Quality Assurance Seed Distribution and Marketing. Infrastructure facilities Transgenic Plant Varieties Import of seeds and planting material Export of seeds Promotion of Domestic Seed Strengthening of monitoring system  

Surrogacy as a practice where a woman gives birth to a child for an intending couple with the intention to hand over the child after the birth to intending couple. Currently, Surrogacy regulation bill was passed in Lok sabha where total ban on commercial surrogacy was made. Why the need to regulate surrogacy: There was … Read more

An ecosystem is defined as the structural and functional unit of biosphere consisting of community of living beings and the physical environment, both interacting and exchanging materials between them. Ecosystems vary greatly in size and elements, but each is a functioning unit of nature. There are two components of ecosystems i.e. biotic and abiotic. Ecosytems … Read more

A Cryogenic rocket stage is more efficient and provides more thrust for every kilogram of propellant it burns compared to solid and earth-storable liquid propellant rocket stages. Specific impulse (a measure of the efficiency) achievable with cryogenic propellants (liquid Hydrogen and liquid Oxygen) is much higher compared to earth storable liquid and solid propellants, giving … Read more

Missile defence is a system, weapon or technology involved in detection, tracking, interception and tracking of attacking missiles. The United States, Russia, China, India, Israel and France have all developed such air defence systems.Surface-to-air missile is a missile designed to destroy aircraft or other missiles. Attempts to develop them started during World War II and … Read more

Working Principle: Passengers or cargo are loaded on the Hyperloop vehicle that accelerates gradually via electric Propulsion through a low pressure tube. Its Vehicles are propelled using a linear electric motor, which is a straightened out version of a conventional rotary motor. The speed of conventional trains — and all land based transport — is … Read more

Thermoelectric power generators are the devices which used to convert temperature difference between two junctions into electrical energy. A working of thermoelectric generator is based on Seebeck effect.  According to which, a loop of two dissimilar metal develops an emf when the two junctions are kept at different temperature. That is why it is also referred as Seebeck … Read more