I am posting a paper I wrote for a graduate-level philosophy class that I audited. The course was about using and acquiring evidence, with a lot of discussion about evidence of the senses. It is intended for an academic audience, but I hope it's readable for anyone. I'm interested in comments and objections. I'll be posting it in three parts. For the most part, the paper is about I thought experiment I came up with. Capacities Meet Evidence and Rationality If two people hold ident