A few months ago we shared with you a brilliant interactive flash video on the Scale of the Universe. Now the 14 year old US twins, Cary & Michael Huang, responsible for the brilliant resource have made further improvements and brought out Scale of the Universe 2. The mind blowing flash animation allows you explore the extraordinary scale of our universe, from quantum foam to the full size of the observable universe, using a simple scroll. The two brother spent over a year designing and building the animation "just for fun" and have created a wonderful resource for teachers, parents, kids, scientists or anyone for that matter! The video below highlights how the application works. Click here, or on the image above, to open Scale of the Universe 2!