Science Tech

 Nervous system of human being The nervous system is a complex collection of nerves and specialized cells known as neurons that transmit signals between different parts of the body. It is essentially the body’s electrical wiring. Structurally, the nervous system has two components: the central nervous system and the peripheral nervous system. According … Read more

 Concerns and challenges use of science and technology Digital technology and problems Social Media is an entirely different issue, especially with the upcoming generations. Without Facebook, Snapchat, Twitter, Instagram and more, where would tweens and teenagers find themselves today. They physically cannot function without staying updated with the newest social media craze. News … Read more

 National Cyber Crime Policy Cyberspace is a complex environment consisting of interactions between people, software and services, supported by worldwide distribution of information and communication technology (ICT) devices and networks. In the light of the growth of IT sector in the country, ambitious plans for rapid social transformation & inclusive growth and India’s … Read more

Periodic Table  and periodicity Criteria for a new element discovery Assessing if an element has been “discovered” is not a simple task. While reviewing the discovery profiles of the transfermium elements in the early 90s’, IUPAC and IUPAP set up to establish a series of criteria that must be satisfied for the discovery of an … Read more

 The thrust of the Scientific Policy Resolution, 1958 was on capacity-building in advancement of science as the foundation for making a strong nation, which had just freed itself from the shackles of colonial domination . The focus of the Technology Policy Statement, 1983 was attainment of technological self-reliance and building of national strength … Read more

 Waste Water Management Water, food and energy securities are emerging as increasingly important and vital issues for India and the world. Most of the river basins in India and elsewhere are closing or closed and experiencing moderate to severe water shortages, brought on by the simultaneous effects of agricultural growth, industrialization and urbanization. … Read more

 Quick Revision ( SCIENCE SERIES, Art 2):   NUCLEAR TECHNOLOGY, RADIOACTIVITY and Its application     Nuclear technology: Nuclear technology is technology that involves the nuclear reaction of atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons.   BASIC CONCEPTS: Nuclear energy: The energy produced due to changes … Read more

 Endocrine glands: harmone and their function The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body’s growth, metabolism (the physical and chemical processes of the body), and sexual development and function. … Read more

 Primary and secondary cells their properties and drawback Primary Cell Primary cells are those that cannot be recharged and needs to be discarded after the expiration of their lifetime. If the electrolyte is not in liquid form, we are talking about dry cells.     Primary cells usually have high energy density, capacity, are … Read more

   Blood: Composition and Function   Blood has many functions including transportation of nutrients round the body, maintaining homeostasis and the immune system. It is made up of plasma, red blood cells, white blood cells and platelets.     Function of blood   Transportation: The blood carries other substances … Read more