The Human Being never takes a rest. He is always inventing new things to ease our lives. One of the most important devices never invented is the telephone. And the person who was able to think that people could communicate each other without mind the distance was Alexander Graham Bell, the inventor of the telephone.
Watch this silent film that re-creates the moment of this invention.
Take a look now at this presentation to learn lots of things about Bell and the telephone:
And, finally, a funny approach with this parody of Lady Gaga's famous song Telephone.