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Again, we return to the topic of scale. As I have said previously, viewing things at scales other than the one we primarily use is key to finding similarities. Therefore, viewing things at small scales is very important. Indeed, viewing things at such small scales does reveal some similarities. For example, everything is comprised of atoms, and, as we discussed in class, we have more kinds of atoms than we do building blocks for atoms. Already we find that, even though things are made up of different kinds of atoms, all atoms are comprised of the same building blocks. With this knowledge, when we "zoom out" and look again at things on a larger scale, we can appreciate that things are more similar than they seem.