To understand what the Fermi Paradox is and the problems we face when thinking logically about aliens check out Where are all the aliens, part one, for the original video.
Part two of the video attempts to find answers to the Fermi Paradox but is the first to admit that we really don’t know.
One big challenge is technology. We have no idea whether we’re technically advanced race or not. Just how far can we develop? If we knew that we could estimate how far other races might have developed already.
In Pure Spirit
What do you think? Where are all the aliens?