Google has been in deep pressure of scaling back its intentions or plans for launching a music service that may work over their cloud-based environment, sources said. But lack of co-operation has been blamed by Google Inc. for the delay in

Lithography is the printing process which is now used for printing most of the books you will read-and also all sorts of other printed matter. You can discover the basic idea of the process by drawing a picture with a wax crayon. Try to paint

Sounds are made by movements called vibrations. A vibration is a movement up and down or back and forth. Some things vibrate faster than others. For example, a mosquito beats its wings up and down six hundred times per second. We hear a high

In audio recorder, you have to record sounds with frequencies from a few Hertz up to about 20,000 Hz, depending on the quality of frequencies which you need to record depends on the number of lines in the picture, and the number of pictures per