It’s Easier for Aliens to Visit Us Than Previously Thought

A new study suggests that by using the slingshot effect to propel self-replicating probes through interstellar space, an advanced extraterrestrial civilization should be able to visit every corner of the galaxy in a startlingly short amount of time. The Fermi Paradox, it would seem, is alive and well. » 7/25/13 8:15am 7/25/13 8:15am