Often most of us come across many minor details that go unnoticed in our daily routine. And the day when we discover these things we feel amazed and some of us try to trace back to the origin or scientific reason behind it. In this modern era, all most everyone uses computers in one or the other way and no one can escape from keyboards and mouse. And one such thing with keyboard went unnoticed by most of us. Keyboard Is there anyone who has used a computer but never saw the keyboard? Everyone uses the keyboard in their day-to-day life but many of us do not notice the fine details of it. Since the evolution of keyboards there have been many ways it has developed to provide comfort to us, one such thing is the ridges on the keyboard. Bumps on t...