Stuff You Should Know

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.comSee omnystudio.com/listener for privacy information.