Asteroids, Cathode Rays & Requisite Knowledge, II
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Yesterday we talked about asteroids, and the fact that “there’s no evidence for X” type claims are often made amidst the very evidence being denied. We also discussed the interesting truth that an unjustified claim is not necessarily untrue. Today, let’s continue with another example from science’s history to discuss what counts for evidence, when our beliefs are justified, and the extent to which we can lean on either as an epistemological security blanket. Let’s discuss cathode rays!