Video en Inglés.
Braille revolutionized life for the vision impaired. Discover how this remarkable system works. This video will teach you the braille alphabet, numbers and punctuation marks which are found in Grade 1 Braille.
I was inspired to make this video after reading a great book called Code: The Hidden Language of Computer Hardware and Software http://amzn.to/pR9MwK I highly recommend it.
