I accidentally fell down a deep rabbit hole while trying to figure out how pH meters work. I thought this would be a really nice simple example of a scientific instrument, suitable for didactic explanation as part of an exposition of the failures of logical positivism. FAIL
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Here’s an interesting thread from someone who actually knows what they are talking about (I assume):https://twitter.com/evanbd/status/1141540083532795904 …
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Given the evident uncertainty, where do you intuit that the argument's participants are sourcing their epistemological confidence from?
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I’ve no idea; I couldn’t follow it at all; it was horrible. I don’t know any chemistry, I just picked up a bit on the street.
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I bought a pH probe, planning to use it to demonstrate to myself that water ice is a (poor) conductor of electricity, if the charge carriers are protons. I thought I could use it similarly to using an electrometer to show that charge had arrived via an ice “wire” and…no. Nope.
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