Seen this doing the rounds on facebook, it’s seriously amazing:
[youtube=http://www.youtube.com/watch?v=lkwh4ZaxHIA&eurl=http%3A%2F%2Fwww%2Egoogle%2Eco%2Euk%2Freader%2Fview%2F%3Ftab%3Dmy&feature=player_embedded]
They are either amazing scientists to measure it so accurately or absolutely off the wall.
