when we talk about light, the first thing that comes to our mind is its dual nature. We all know that light is an electromagnetic wave in a visible region from 400nm to 700nm wavelength. We also know that light behaves as packets of energy called photons. But why does it exhibit dual nature? what…… Continue reading Light as messenger of Universe
In Primary school, when Science teacher told us all about the Sun and the planets, it was really very hard to believe that Earth rotates and also revolves around the Sun with very high speed and how is it even possible for us to not have slightest sense about this motion. I believe this might…… Continue reading What if Earth misses a beat??
Few hundred years ago, everyone could look up at the sky and enjoy the beauty of Milky Way.But now as we all know we can hardly see countable number of stars.According to 2016 groundbreaking “World Atlas of Artificial Night Sky Brightness”, 80% of world’s population lives under Sky Glow or which is commonly known as…… Continue reading Sky Glow!! Where to find dark skies?…
Have you ever wondered ,where did our Universe come from?, what it may look like?, Millions of stars galaxies, where does it end?,even if we imagine that Universe have a boundry what lies outside this boundry? To answer all these or to atleast get a glimpse of idea about the world around us ,…… Continue reading Unsolved Riddles of Universe
Back in time During the time of Albert Einstein, Astronomers only really knew of the existence of our own galaxy and had no idea of other galaxies around us. Like Issac Newton, even Einstein beleived the idea of static infinite universe, he never came up with the idea of dynamic finite universe so he even…… Continue reading Hubbles universe
When an elderly scientist states that something is possible he is almost certainly right but when he states that something is impossible , he is probably wrong. As Michio Kaku’s famous words says that ” Impossible is relative ” . So is it possible to think that we might one day be able to teleport…… Continue reading Magic of magnetic levitation
What is a black hole? A black hole is a region where gravity is so strong that any light that tries to escape gets dragged back. Since nothing can travel faster than light, everything else gets dragged back too. So it is believed that you can fall into it and never get out again. It…… Continue reading A Simple Way of Understanding Black Holes