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this post was submitted on 26 Aug 2023
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
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There recently was a discussion on lemmy where several US citizens (one of them allegedly an engineer…) tried to explain to me that metric might be „more precise“ (? 😂) but the imperial system more practical, because „everybody knows what a foot is“. When I asked them to add feet to miles I got shouted at (in CAPS) that noone (ever) does that. 🤷♀️
I say that Metric is like color vision. You can see things in whole new and easier ways. People in USC can't understand what others see and insist things are just fine the way they are. Thus the "no one ever does that", "why would you need to know that", "who cares", etc.
I'll tell you something I do as a woodworker a lot that metric isn't great for: divide by powers of two, three or four. I've got some boards milled up 3/4" thick. I'm going to join them with a bridle joint, that means cutting the middle third out of one and the outer two thirds from the other. So each of the remaining "tongues" are each 1/4" thick. 3/4" is approximately 20mm. That's a nice metric number, a multiple of 10. Let's cut that same bridle joint in 20mm stock. What's a third of 20mm? Can you come point to 6.6666mm on my metric tape measure here?
Don't pretend base ten doesn't do stupid things too.