I have covered this attraction at Disney World’s Epcot exhibit before (my Feb. 25, 2010 posting [scroll down about 1/2 of the way]) but I’ve now found a video of the exhibit, which brings the whole thing to life,
I have the impression this video was done professionally by Disney since their corporate identity is visible everywhere. Still, it is interesting to see the exhibits and to see people interacting with them. I have a few quibbles such as no one is touching a molecule as you can’t touch one with your fingers. People are touching an animation which makes it seem as if they’re touching a molecule. On the other hand, the exhibit where people can move from one scale to another is quite interesting as they identify the scale from which you’re viewing the butterfly.