Interestingly, a non-profit [charity] foundation is dedicated to interstellar travel: http://www.tauzero.aero/ http://www.tauzero.aero/ Brief article summary:

Interestingly, a non-profit [charity] foundation is dedicated to interstellar travel: http://www.tauzero.aero/ http://www.tauzero.aero/ Brief article summary: https://secure.wikimedia.org/wikipedia/en/wiki/Breakthrough_Propulsion_Physics_Program#Legacy https://secure.wikimedia.org/wikipedia/en/wiki/Breakthrough_...