Animation

Share a link, video or picture of an animation you like that relates to your game topic. What makes this animation stand out to you?
https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&docid=DN0mhkyrYdYGJM&tbnid=9gRSHJKmkSKmnM:&ved=0CAUQjRw&url=http%3A%2F%2Fwww.cimt.plymouth.ac.uk%2Fprojects%2Fmepres%2Fbook7%2Fbk7i17%2Fbk7_17i2.htm&ei=VtU4UZG_OsaIygH_noGgBw&bvm=bv.43287494,d.aWc&psig=AFQjCNER08onya3y-MUM3EZ_TdqWK9OYjg&ust=1362765521321801

how this relates to it is that we have turning fractions into decimals and in the picture it explains how to covert a fraction to a decimal. what makes it stand out is that it seemed the best one to choose.