Introduction The concept of electromagnetic radiation came to know when Maxwell derived the four equations to correlate the electric field and magnetic field. With the help of these equations, he found that electric field and magnetic field depend on time and space propagate in the form of traverse waves. According ... Read More

Introduction Whenever we do some work experiment with water or any liquid, we observe that some objects are immersed in water whereas some float over it. For example, ice cubes float on water. Because ice cubes are less dense than water. But if we put a stone in water it ... Read More

Introduction Our earth is surrounded by air that contains gas for breathing and also many other gas molecules. They protect our earth from harmful radiation and act as a blanket over the earth. It is extended to space. Atmospheric pressure is calculated by using a barometer. Because of the gravitational ... Read More

Introduction All the planets in the solar system are found at different distances. The first four planets are closer to each other and closer to the Sun. They form the inner solar system. The planets in the outer solar system are far away from the Sun. Remote censoring is the ... Read More

Introduction Centroid is the term that applies to a geometrically balanced figure or an object. It is the center of that figure or object. The methods to find the center of a symmetrical entity differs, but it exists, and there is no confusion about that. For example, a triangle has ... Read More

Introduction Astrophysics is the major subject to develop knowledge about celestial objects. The study of the sun, the comets, the stars, asteroids, meteoroids, and galaxies is called astrophysics. The birth of the stars and their life and the end of the stars are studied through this. Asteroids are small celestial ... Read More

Introduction Wave is the disturbance in the medium to transfer energy without the transfer of mass. Waves are usually in a periodic motion like a simple harmonic oscillator. They have crests and troughs. The amplitude of the wave is the height of the wave. The distance covered between two consecutive ... Read More

Introduction ‘‘Weathering the Storm in Ersama’ is a story written by Harsh Mander. An Indian author, Harsh Mander is a well-known researcher, columnist, and social activist and has worked for the welfare of victims and survivors, who are homeless and orphans due to mass violence. Summary The story is ... Read More

Introduction Virtually True is a science fiction by Paul Stewart and it discusses computers, video games, virtual reality, three-dimensional modelling, etc. All of these are woven into the story of Sebastian Shultz. Paul Stewart, a children's book author who was born in London in 1955, is best known for three ... Read More

Introduction The Trees is a poem written by Adrienne Rich. Adrienne Rich was born in Baltimore, in Maryland on May 16th, 1929. She went to Radcliffe College and graduated in the year 1951. She was selected by Sir W. H. Auden to win the famous Yale Series of Younger ... Read More