Telepathy ( communicating with our thoughts ) is indeed a dream technology. Whenever I saw those magic shows where the magician lifts a person or things with his mind, I used to think, it would be so cool if those were real and not illusions. But we humans are so intelligent, that we are making everything possible which was once impossible.
Personally, am a big fan of TED. Just watch the demo of this brilliant technology in the TED video below, and you will understand everything you need to know about this brain computer interface technology.