The wind and laws of thermal dynamics - I learned enough to past that test (oh, so long ago). Laws of the universe I've learned since includes - if you rake up all the leaves in the yard, then the wind will blow all the leaves off the roof down to the yard and flower beds again. COLD:  small little flock of doves are sleeping in the leaves that collect on the patio on the south side of the house this week. Too cold to sleep in the trees ? ? ? --- On Mon, 12/13/10, Don Ott <dott@centurytel.net> wrote:     For the last two days, a 30 or so mile per hour wind had been blasting my house which is high on a hill looking North. During this time I have continued to wonder what makes the wind blow. I really feel sorry for those folks up North because there sure must be a void there now, doubt if they have enough air left to breath. Unfortunately most of the rearranged leaves found some place to settle down in places under my control.     A friend reminded me that the wind really was just standing still and the earth was spinning much faster. Wonder what caused that? Don't know but sure glad it slowed down again. Don