Category Science

Aphelion and Perihelion: Key Concepts in Orbital Mechanics

earth observatory

Aphelion and Perihelion: Key Concepts in Orbital Mechanics Abstract Aphelion and perihelion represent fundamental astronomical phenomena that describe the elliptical orbits of celestial bodies around the Sun. These terms refer to the farthest and closest points, respectively, in an object’s…

The Seven States of Matter: A Brief Overview

States of matter

Matter, the substance that constitutes the observable universe, exists in distinct states that are determined by various physical conditions such as temperature and pressure. Each state of matter is characterized by unique physical properties and molecular arrangements. Traditionally, we are…

Cosmology: Study of Our Universe

astronomy 3183482 1920

Evolution of Universe: Big Bang Theory Big Bang is a cosmological theory which explains the origin of our universe. According to this theory, the universe was once compressed into extremely small volume which about 14.2 billion years ago exploded and…

Lithium Element: The Light Metal Powering Modern Technology

Lithium-Element

Introduction Lithium is a soft, silvery-white alkali metal with the symbol Li and atomic number 3. Known for being the lightest metal and the least dense solid element, lithium has garnered significant attention due to its extensive applications in batteries,…

Helium Element

helium-element

Helium: The Element that Powers the Universe Helium is a colourless, odourless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its atomic number is 2, and it is the second lightest and second…

Hydrogen Element

hydrogen 8130061 1280

Hydrogen: The Element of the Future What is Hydrogen? Hydrogen, the simplest and most abundant element in the universe, is a colorless, odorless, and highly flammable gas. It is represented by the symbol H and has an atomic number of…

Human Health and Disease

image 1

Human Health and Disease for UPSC aspirants Human health is the state of complete physical, mental, and social well-being. Health increases productivity and ensures longevity. What is Human Health? Ways to Ensure Good Health Why do Diseases Occur? Common Diseases…

DNA and RNA Explained

image 9

Nucleus Chromosomes Nucleotide & Nucleoside Nucleic Acids DNA & RNA Comparison of DNA and RNA S.No. DNA RNA 1. Deoxyribonucleic acid Ribonucleic acid 2. It occurs inside the nucleus of cell and some cell organelles but it plants it is…

Nanotechnology: A Brief Note 2024

A brief note on Nanotechnology Introduction Why is nanoscale so significant? Nanomanufacturing There are two ways to manufacture nanomaterials: A. Top-Down Approach B. Bottom-Up Approach Generations of Nanotechnology Nanotechnology is divided mainly into four generations which also gives a road map for…