"The Moon still marks the furthest human beings have come. Since then we have delegated the task to robots. Voyager One has now reached interstellar space. Is that as far as we can go and what will be our next great leap?

"If Voyager had left our planet when humans left Africa it would be arriving at Alpha Centauri about now. So how do we go faster?

"There is a technology just over the horizon which can get us to the speed we need. Actually we already use come of the basic principles. Leave the fuel behind. It was not possible before, but it is possible in the near future.

“If this comes to fruition it will tell us as much about ourselves as about Alpha Centauri. For the first time in human history we can do more than just gaze at the stars. We can actually reach them."