Recently, a group of scientists, engineers, and scifi writers gathered at the Royal Astronomical Society to discuss the latest ideas about how interstellar travel might actually happen. Here's what they talked about.
Top image: Daedalus Class Starship as conceived by Sean Robertson.
Indeed, as a new The Economist article points out, starship research is enjoying something of a boom these days. Just a few years ago there was only one organization working on the prospect of interstellar travel, but now there's at least five, including NASA, DARPA, and several private organizations.