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Meaningness's profile
David Chapman
David Chapman
David Chapman
@Meaningness

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David Chapman

@Meaningness

Better ways of thinking, feeling, and acting—around problems of meaning and meaninglessness; self and society; ethics, purpose, and value.

meaningness.com/about-my-sites
Joined September 2010

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    David Chapman‏ @Meaningness May 20
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    The socially defined behavior of electronic components. What it means to be a 100 Ω resistor is inherently nebulous, and negotiated and renegotiated between manufacturers and customers. By @robamacl http://www.cs.cmu.edu/~ram/art/essay/components/ …

    11:14 AM - 20 May 2020
    • 14 Retweets
    • 54 Likes
    • mtraven Nick Hay Adam Moore 🗯 Ian K Tindale Agaricus Raymond Joseph H. Vilas Dailan Angry otter
    10 replies 14 retweets 54 likes
      1. New conversation
      2. mrgunn‏ @mrgunn May 20
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        Replying to @Meaningness @robamacl

        Am I just being dense, or is this confusing the thing and how we talk about the thing?

        1 reply 0 retweets 0 likes
      3. David Chapman‏ @Meaningness May 20
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        Replying to @mrgunn @robamacl

        Not sure I understand the question? There is an idealization of a perfect resistor; those don’t exist. Actual resistors are nebulous physical objects with imperfectly characterizable behaviors. Whether something counts as a resistor is a matter of social negotiations.

        2 replies 0 retweets 4 likes
      4. 8 more replies
      1. New conversation
      2. Chris Anderson‏Verified account @chr1sa May 20
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        Replying to @Meaningness @robamacl

        That is just what call "industry standards" and applies to all industries. Tolerance, specs, MTBFs, etc metrics are all worked out by industry groups like IEEE and ASTM and manufacturers test and report those in their datasheets, which customers design against. T'was always thus

        1 reply 1 retweet 4 likes
      3. David Chapman‏ @Meaningness May 20
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        Replying to @chr1sa @robamacl

        Sure, just using resistors as an example because they are boring, so it should be obvious by extension that this is pervasive

        0 replies 0 retweets 7 likes
      4. End of conversation
      1. New conversation
      2. mtraven‏ @mtraven May 20
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        Replying to @Meaningness @robamacl

        Many people think "socially constructed" means "arbitrary" and get all reactionary.

        1 reply 0 retweets 7 likes
      3. David Chapman‏ @Meaningness May 20
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        Replying to @mtraven @robamacl

        Yes getting that one sorted out would be a major win.

        1 reply 0 retweets 2 likes
      4. 1 more reply
      1. New conversation
      2.  🕷BenjaminP.Taylor 🇪🇺‏ @antlerboy May 20
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        Replying to @Meaningness @robamacl

        how do you find this kind of thing?

        1 reply 0 retweets 0 likes
      3. David Chapman‏ @Meaningness May 20
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        Replying to @antlerboy @robamacl

        (MacLachlan, R. A., personal communication, 2019)

        1 reply 0 retweets 1 like
      4. 1 more reply
      1. New conversation
      2. Rob MacLachlan‏ @robamacl May 21
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        Replying to @Meaningness

        Just yesterday I was struggling with a particularly nebulous component, the ferrite bead. At the material level it is dead simple, a bit of ceramic and a wire. At first it was simply a rod with a hole in it, you usually slipped out over the lead of a transistor.

        1 reply 0 retweets 4 likes
      3. Rob MacLachlan‏ @robamacl May 21
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        Replying to @robamacl @Meaningness

        Ppl did this, and found that it sometimes helped things to work when you had an oscillation or interference. But beads came in different mechanical sizes, and can be made from different ferrite recipes. Experts said they are good, get an assortment and try them out.

        1 reply 0 retweets 2 likes
      4. 11 more replies

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