Quote:
Originally Posted by PiKA2001
How was he able to calculate how long it would take an alien craft to get to Earth?
|
In a matter of speaking. What he did was calculate how long it would take a civilization to colonize the entire galaxy, even assuming they couldn't go faster then light. Fermi was very famous for his back of the envelope calculations. He calculated within one OoM the power of the first atomic bomb by dropping pieces of paper and seeing how far the blast blew them.
__________________
And he took a cup of coffee and gave thanks to God for it, saying, 'Each of you drink from it. This is my caffeine, which gives life.'