The Great Filter - A Return to the Fermi Paradox

Here I return to the Fermi Paradox and go a little more in depth to talk about The Great Filter - one of the explanations for the Fermi Paradox which says that along the road to intelligent life, there are barriers that prevent advancement.

In one instance, we've already passed the Great Filter. In the other, it lies ahead of us.

Both depressing scenarios in different ways.