Tags Dr. Young K. Bae Y.K. Bae Corp photon propulsion for interstellar flight Photonic Laser Thruster propulsion advanced propulsion reaction mass nuclear mass of fuel pressure pressure generated by light quantum photonic thrust amplification theoretical demos needed can scale up FISO talk not for liftoff lunar testing politics and progress Breakthrough Starshot government only Private Sector SpaceX slow down at destination light source at both ends light pushes spacecraft then spacecraft coasts very high speeds mirrors at destination mirrors on the spacecraft DARPA NOMAD lunar materials on orbit construction near term technology coalition partners 2022 progress plans Guest Dr. Young K. Bae Tagline photonic lasers and becoming a multi-planet peoples View the discussion thread.