There was an interesting article/discussion on the subject a few months ago - "Why time appears to speed up with age" - http://news.ycombinator.com/item?id=4402

There was an interesting article/discussion on the subject a few months ago - "Why time appears to speed up with age" - http://news.ycombinator.com/item?id=4402763 http://news.ycombinator.com/item?id=4402763