Waves between parallel planes

Let us discuss how waves propagate through parallel planes and derive the necessary relation of transverse electric and magnetic waves:

Assumptions :

(a)  Pair of parallel planes are perfectly conducting.

(b)  Separation between the planes is ‘a’ meter in x – direction.

(c)  Space between planes is perfect dielectric (σ = 0) of permittivity ε and permeability μ.

(d)  Planes are of infinite extent in the y and z direction. Continue reading “Waves between parallel planes”

Top Ten Real Ways Machines are Taking Over

As advances in technology increase year after year, machines are taking over more jobs that were once left to human hands and minds. We’ve listed the top ten ways that the machines are taking over:

The Music DJ

Remember the local radio disc jockey? Well, he’s mostly gone now, replaced by computer programs who use algorithms to automatically select songs that are catered to your tastes from a huge database.

Hobo Bots

What is the point of a robot without working legs? Imagine a huge network of 24-hour mechanical hobos that could harvest change from sympathetic humans. Even begging for change isn’t safe from technology. Continue reading “Top Ten Real Ways Machines are Taking Over”

how to increase the width of sidebar of twenty ten wordpress theme

I am using wordpress twenty ten theme in my another blog. I was facing a difficulty to increase the width of sidebar of the twenty ten theme. Actually I want to insert one of the adsense ad there and it was not possible to do the same with the existing margins of the theme. I searched a lot and experiment a lot. At the end I was successful. I want to share the same that how I increase the width of sidebar of twenty ten wordpress theme. Here is the method: Continue reading “how to increase the width of sidebar of twenty ten wordpress theme”