The enterprising alien who wants to visit Earth faces a number of daunting challenges. This program examines the advanced technologies he would need with an emphasis on concepts for interstellar travel humans are exploring.
Erik Thompson
Himself
William Alschuler
Kevin R. Grazier
Seth Shostak
Lucianne Walkowicz
Herself
Clifford V. Johnson
Richard Obousy
Andrew Ng
