Ever wake up and get hit by the fact that instead of all that time in school, you could have been learning something?
I like the valve articles because they either directly tell you the tradeoffs, or imply them. E.g. ball valves (not to be confused with globe valves) don't reduce pressure when fully open and are highly reliable, but have no fine control and shouldn't be frequently toggled.
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The butterfly valve article is pretty bad. But this advertisement a) doesn't make me want to gouge out my eyes, in contrast to any TV ad ever and b) has a nice animation of what the thing is.https://youtu.be/NEAiG0EANCs?t=55 …
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The needle valve article does not explain why you can't do the same thing with a globe valve. Indeed a needle valve just is a distorted globe valve. https://en.wikipedia.org/wiki/Needle_valve …
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However, this one seems pretty good. https://en.wikipedia.org/wiki/Vernier_acuity … Wikipedia sometimes get very excellent far from politics and stuff people are trying to sell. (But I repeat myself.)
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