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Cake day: 2023年7月20日

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  • Generally I shy away from people posting Bible verses, but I’m this case it’s relevant.

    1 Samuel 15:3 New International Version

    3 Now go, attack the Amalekites and totally destroy[a] all that belongs to them. Do not spare them; put to death men and women, children and infants, cattle and sheep, camels and donkeys.’” Read full chapter Footnotes

    1 Samuel 15:3 The Hebrew term refers to the irrevocable giving over of things or persons to the Lord, often by totally destroying them; also in verses 8, 9, 15, 18, 20 and 21.

    Now, a lot of people get upset when your take things in the Bible out of context, so to be clear this story is about how God rejects Saul because Saul didn’t kill the livestock too. Given the economics of the time, this was the treasure of their people.

    This theme is repeated several times throughout the old testament. A neighboring people is threatening Israel, so they wipe them out and destroy everything they own. Outside of Israel, is not an unknown tactic, but this goes further and kings are scolded or punished for keeping something back.

    This doesn’t mean Jewish and Christian are bad. Modem Christianity and most other people with reason don’t see these as things we should repeat. I personally feel that this falls under the whole live by the sword/die by the sword statement.

    Sorry if invoking the Bible pisses some people off. I have been chewing this for a while and kind of needed to write it out to define my own position.












  • I didn’t have AC until I was almost an adult in the late 90s. It regularly gets to be about body temperature outside, with humidity, in the summer. Heat waves can sometimes be 110f/43c. When I first lived in a home with AC I was freezing and had to wear long sleeves all summer. I have since acclimated, but my wife and kids who have always had AC freak out if it gets to be 80f/27c.








  • My though is that they failed to understand concrete itself. Concrete works best as a monolith. Literally here, a single rock. As a laminate, it loses strength. From what I was reading, you can do concrete in multiple pours, but people were suggesting to ensure that the rebar stuck out enough between pours and then some other things like bonding adhesive and wetting the layers between pours.

    I like the idea of automating the structure. Bricks can be laid as pick and place, and cement can be extruded. This creates a reverse centaur, IMO, where someone is watching the labor and becomes responsible for the quality.

    The house is always going to need several different structures added: plumbing, electrical, insulation, HVAC, internal construction and facade, cabinetry, etc, etc, etc.

    Being able to shit out as much of that as possible on the spot would save tons, but you still need electrical items whatever. 3D printing may not be the best solution for a house, but it might be a step to something better.