We have within our grasp here on Earth the technology that could make interstellar travel a reality within as little as a few decades and it doesn't require any exotic fuel. In fact, it only requires sunlight and an initial blast into orbit to begin a steadily increasing sail to the stars.
Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
See omnystudio.com/listener for privacy information.
To view this and other transcripts, as well as support the generation of new transcripts, please subscribe.