O espaço - algo e nada no mesmo tempo?

Veja vídeo palestra com animações: The Fabric of the Cosmos: What Is Space?

Surprising clues indicate that space is very much something and not nothing. 

Acclaimed physicist Brian Greene reveals a mind-boggling reality beneath the surface of our everyday world. Airing 11/2, 11/9, 11/16 and 11/23, at 9pm on PBS 

http://www.shoppbs.org/product/index.jsp?productId=11645531&cp=&sr=1&...