You know when the modern patron saint of astronomical sciences Neil deGrasse Tyson says something is a must-see that it's a big deal, and it's hard to get much bigger than a scale model of the entire universe.
Well, not everything in the entire universe, but a series of new and familiar touchstones that really put the scale of everything into context. And I do mean everything: The flash presentation created by Cary Huang
starts with strings (no, these kind) and ends with "the observable universe." Getting from beginning to end does take a bit of time, but it's well worth the trip. After all, space is big. Really big.