Competitive Exams

I am sure you have heard the news about the demolition of the Supertech twin towers in Noida, Uttar Pradesh, India. It's the highest concrete structure to be demolished in India. Let's learn about concrete structure demolition, which is the process of destroying or collapsing a large concrete structure with the help of some equipment and techniques.  You can demolish a brick wall just by using a sledgehammer, and it's considerably easy to level a five-story building by using excavators and breaking balls. But if you want to demolish a 40-story skyscraper, you must take out the big guns. Now maybe your curious mind has a question about how a building is demolished. Or want to know some scientific facts or physics laws in a structure demolition. This article will explain the science behind an implosion or structure demolition. The Science of Demolition of a Building Pre-demolition Survey and Disposal of all the Hazardous Material Its name maybe not sound scientific, but it...

  Why is the sky blue? How do fish take a breath underwater? All these questions might have popped up in your mind when you were in school. When I was in high school, I was curious to know who created the universe, who came first on the earth, and, most funny, what would happen to gravity if the apple hadn't fallen on newton. In recent centuries scientists have left no time unexplored to answer everything around the world and within us. But every day, new discoveries get us into deeper questions. With the month of detailed research, I have responded to the five mind-blowing scientific answers to life’s biggest questions. How do fish take a breath underwater? Fish also need oxygen to survive like humans. The breathing patterns of fish are different from humans. Fish take a breath from the feathery organ called gills. But how do they extract it from water?  To remove the oxygen from the water, fish uses a unique organ called gills. It is an organ full of blood vessels used to ex...