Originally Posted by fatfoo

The eye really does see. There are many ways of receiving information, such as: sight, sound, touch, smell and taste. Of course, there are also unexplained mind readings and thought telepathy. Also, you can imagine shapes and colors with your eyes closed. You may have dreams with your eyes closed and still visualize images.

I don't understand how Helen Keller earned a degree, because she was deaf and blind.

The computer has sound and sight, so we can communicate through it. However, the computer does not transfer smells, touch or taste. Hellen Keller must have tasted, touched and smelled a lot.