Science

Chemical weapons are specialised weapons that deliver chemicals that inflict death or injury on humans through chemical actions. They are also called poor man’s bomb because they are relatively cheap and easy to produce. Example of chemical weapons are mustard gas, phosgene, chlorine and nerve agents sarin and VX.           Sarin: The UN had confirmed … Read more

The Integrated Guided Missile Development Programme (IGMDP) was conceived by renowned scientist Dr. A P J Abdul Kalam to enable India attain self-sufficiency in the field of missile technology. The following are the Key components of the Programme:   Short-range surface-to-surface ballistic missile Prithvi-The Prithvi missile is a family of tactical surface-to-surface short-range ballistic missiles … Read more

Q.    What is cannister launch missile system. Ans. Cannister based launch system serve as a container for transportation and it is always easy to carry missiles in canister. It act as a housing during storage abroad a vessel. This system will give the forces the operational flexibility to promptly transport ballistic missile and launch … Read more

Allotrope: An element, in different forms, having different physical properties but similar chemical properties is known as allotropes of that element. Carbon has three well known allotropes which are graphite, diamond and buck minster fullerene. These are formed by carbon atoms. Following are the allotropes of carbon: Graphite:  Each carbon atom is bonded to three other carbon atoms … Read more

The national telecom policy in work will focus on complete transition of the country from physical to digital infrastructure, with norms to push availability of high speed and uninterrupted broadband services in mission mode.   One of the key strategies in the draft talks of recognising spectrum as a key natural resources for public benefit … Read more

DRDO has played a stellar role since its inception in 1958. Having established a sound ecosystem and supported by a large pool of committed manpower, we have today a proven competence to produce strategic and state-of-the-art tactical military hardware and related technologies, in diverse disciplines covering Aeronautics, Missiles, Naval Systems, Armament & Combat Engineering, Electronics, … Read more

E commerce is the sale or purchase of goods and services conducted over networks of Tv and computers.  The use of internet and network is the key feature of e commerce.  According to a report by KPMG, e-Commerce sector in India is projected to cross $80 billion by 2020 and $300 billion by 2030. The … Read more

Most of the nuclear reactors work on the principle of nuclear fission. The energy released in the reaction is used to turn water into steam. The steam is used to run the turbine. Diff types of nuclear reactor: Type of reactor Characteristics Light water reactor 1.    Boiling water reactor ·         Reactor core heats water which … Read more

Uranium is one of the fissile material which is used for power generations. But All isotopes are not categorised as fissile. The certain minimum standards have to be met to qualify as fissile material: It should be able to sustain the chain reaction. It should have a high probability of fission when bombarded with slow/fast … Read more

Radioactivity is a physical process. As the name implies it is the act of emitting radiation spontaneously. In simple terms if atomic nucleus is unstable and want to loose some energy, it will release energy in the form of radiations. There are several types of particles or waves that may shoot out of a radioactive … Read more