Solar Sails A Novel Approach to Interplanetary and Interstellar Travel Les Johnso
▶Solar Sails A Novel Approach to Interplanetary and Interstellar Travel Les Johnso — a 2014 PhreakNIC 18 - 2014 security conference talk (47:42 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube