He spent the earliest part of his career testing the limits of transparency. Once he examined dozens of videotapes of judo fighters who had just won their matches to figure out when, exactly, they smiled. Was it at the moment of victory? Or did they win, then smile? Another time he watched videotapes of people masturbating to find out what their faces looked like at the moment of climax. Presumably an orgasm is a moment of true happiness. Is that happiness evident and observable in the moment? In both cases, it wasn’t—which didn’t make sense if our emotions are really a billboard for the
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