Will We Ever Get The Chance To Visit Other Stars?

Travelling beyond our own solar neighbourhood has been an aspiration of high-minded explorers ever since we knew such a thing was possible. Well, technically possible. Will we ever actually be able to do it? It all depends on how optimistic you are, but the downside is you'll probably definitely never live to find out whether or not you were right. Vsauce explains.

[Vsauce]