In this lesson, we introduce the one dimensional wave equation and explore how it appears in electrodynamics. This video explains the basic concepts, physical meaning, and mathematical form of the ...

Let's face it: numbers, for many of us, just don't add up. And unless math is part of your day job, you can generally avoid messing with nasty sums when you graduate from school. Those complicated ...

They had listened to lectures on climate change, participated in several green rallies that stated the obvious: trees are good and cars are bad for the earth. By the end of the three hour programme, 1 ...