Fine entertainment, but.....c'mon it could have been a bit shorter. The science is supposedly theoretically sound, but if you haven't got a masters in physics, you might want to do your homework beforehand. The Happy Ending was pre-programmed and the entire thing appeals to our American Idealism, but the greatest film of all time as you may read elsewhere, not quite. But again, entertaining. My only serious gripe is when the town seems to be evacuating in what is clearly an ecological disaster, EVERYBODY can afford gas for their cars? Logic would dictate that if drought is leading to food shortages, the exploitation of crude oil and its refinement and distribution would also be affected. OK, it's a nitpickers gripe, but someone has to pick the nits. A solid 7, and thankfully there's a pause button so a person at some point can find nourishment.