Illegal Aliens, Part the Second

Where Are They?

Fermi famously asked the question, "Where are they?" regarding alien life. According to incantations - I mean, calculations - there has been plenty of time for them to make it here. So why haven't they shown up?

The basic prayer is something called the Drake Equation, which is actually disguised to look like a real equation, perhaps in the hope that no one will notice that none of the terms in it is even remotely calculable. The equation runs:
The Drake equation states tha...