Harvard-Smithsonian Astrophysicist Dr. Martin Elvis explains how beaming power down from solar panels in space might help us decarbonize travel - and how the iron from asteroids might make it all possible.

Dr. Elvis’s book on asteroid mining is out now. “Asteroids: How Love, Fear, and Greed Will Determine Our Future in Space” can be purchased at https://www.amazon.com/Asteroids-Greed-Determine-Future-Space/dp/030023192X. Music in this episode is Podington Bear’s Blue Highway and Scott Holmes Music’s Embrace. Logo by Noelle Chung.