After exploring the infinitely captivating universe, Stephen Hawking is now going to discover a new world - the world of social networking. The theoretical physicist joined Facebook and posted a very interesting message for his fans.
'I have always wondered what makes the universe exist. Time and space may forever be a mystery, but that has not stopped my pursuit. Our connections to one another have grown infinitely and now that I have the chance, I'm eager to share this journey with you. Be curious, I know I will forever be.