Shini talks us through derivatives and how calculus helps us to understand the world. CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its ...

Shini talks to us about optical instruments and how they make magnification possible. How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand ...

I'm sure you've heard of Isaac Newton and maybe of some of his laws. Like, that thing about "equal and opposite reactions" and such. But what do his laws mean? And how do they help us understand the ...