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Have we been wasting our time? No. As has been said in this forum time and time again, it is important to understand things at large and small scales in order to truly understand them. However, I must say that I think it is harder for some, including myself, to identify the relevance of what we have been studying recently. I know that for me, it is much easier to view things on a larger scale, because I can at least place myself in that scenario. It is a bit harder when looking at things at such a small scale, because we are the things we're looking at, not within the things we're looking at. I understand that what we have been studying is important, but it's harder for me to see its direct relevance.