Rocket scientists agree that we have about reached the limit of our ability to travel in space using chemical rockets. To achieve anything near the speed of light we will need a new energy source and a new propellant. Nuclear fission is not an option.

E. Wilson Greatbatch (September 6 1919 – September 27 2011) was an American engineer and inventor. The cell used two elements at near ends of the electrochemical scale causing a high voltage of 2.

Wilson Greatbatch (September 6 1919 – September 27 2011) was an American engineer and inventor.