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by simoncion
3939 days ago
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> ... and your modulation rate switches faster than the human eye can detect (say > 60Hz) ... I can pretty reliably see pulse rates up to ~120Hz. I know of many others who can, too. :) So, please, please, please don't give people the idea (even inadvertently) that pulse rates below 120Hz are going to be undetectable. :) |
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