Welcome to my column in The Eagle’s Cry focusing on all things physics.

In your smaller classes and previous Physics, you may have heard about light. I define light by an electromagnetic radiation visible to produce our a sense of sight. The speed of light is 3*108 meters per second.

You might have learned that light always travels straight in a line. Well, I am going to mess with your mind a bit, this statement is not always true. Ever heard of black holes, right? So, the thing is black holes have very high density and mass. And if they have high masses then they have very high gravity and if I say high then I mean very high. If you look through the eyes of Newton then it would not be wrong to say that Black Holes have very high forces of Gravity, it is so extreme that nothing in this universe can escape it even light. If you look through the eyes of Einstein, you would see black holes as a very heavy massed object in the so called space that it causes a large curve in the fabric of space and time. It’s gravity is so massive that even time slows down, the lower you are in the fabric of time and space the slower your time ticks.

Let’s stick to light, what is the purpose of me saying this? The real purpose of me saying this is that the gravity of black holes is so strong that it can even attract light to itself and eat it.

The fastest thing in this universe is light and nothing in this universe according to Physics was or ever will be faster than the speed of light. According to the General Theory of relativity, the faster you go the less time you can experience. Since, the fastest speed in this universe is light. Light does not experience any time, light is independent of time. This proves that time is relative. Meaning it is different from one another. Each person has a different timeline, his dependent on his motion and his relative velocity.

Now let’s talk about the nature of light, in physics light exists in two natures, as a particle and as a wave. There are certain experiments that prove that light is a wave, but there are certain experiments as well that prove that light is a wave. I will talk about these experiments in the next Blog, which shall be posted next week. Till then, keep an eye out for the next Blog.