On the heels of yesterday's post, "Aliens? Where?" comes the late Richard Feynman, explaining why aliens have not, cannot and will not reach earth.
Whatever your position on the subject is, you have to admit that Dr. Feynman's comments on the nature and limitations of the universe would seem to put the matter to bed.
Another Feynman video, "Aliens Will NEVER Arrive: The Feynman Reality Check" explains the realities further:
