Move energy, not mass.
This hour-long presentation by Dr. Paul Jaffee, PhD, of the U.S. Naval Research Laboratory on July 30, 2020 is a comprehensive look at the past, present and future of power beaming and space based solar power. Power beaming is an integral part of space based solar power, and also has standalone terrestrial and space-based applications.
This video was livestreamed by the Homeland Defense & Security Information Analysis Center (HDIAC). The original podcast and links to additional resources highlighted by Dr. Jaffe may be found at: