Neal Wilson ✅ @neal@social.typica.us

Did some work figuring out the roasting plans for a new coffee from Brazil. I've also set up a new project where I can collect my notes for that roasting journal project I mentioned earlier and typed up today's work into that.

The past week was not great for finishing the book and I think the earliest I can possibly get it to the point that I'm ready for feedback is end of day Tuesday. I'm getting exhausted and need this to be done. Then I need a day off for intensive napping with the cat.

I want to get at least one more figure done for the book tonight, but it'll have to be after I eat some food. Lots of good text revisions done today as well.

My sister is having her Internet access restored after a multi-day outage. I already told her that it was extremely unlikely that the problem described was in her house and the technician has now reached the same conclusion. This failure to notice problems with their equipment in their own racks for multiple days is what got me to switch providers at my house a long time ago.

(I'm trying to stick entirely to the easy and practical math and not going off into crazy impenetrable stuff that the reader probably can't tune to match the thermodynamics of the equipment they're using even if they did have a reason to expect it to be useful)

Added math to the book, including a very small number of problems for the reader to solve. I expect the reaction at that point is going to be, "WTF is this math doing here?" but I promise it's useful.

Last night's dream was very long. I was hanging out with someone (who, why? don't know) at a small library (set re-used from another dream some years back). He was working on a paper. I found some fiction to read (in the dream I had already read the book) and got about two thirds through that. Put the book back on the shelf when it was time to leave. Then we went to a net cafe where he streamed Sim City, hooked up with 2 more ppl. At the end there was a ride on a bus with extremely tiny seats.

I've warned the cat that she's going to fall off the couch if she keeps rolling around like she is.

This explains a depressingly large amount of accepted (but wrong) ideas in coffee roasting.

Breaking down roasting data like this makes it easier to verify successful control outside of intended roasting differences. If the graphs of data before and after the intended change line up, it's fair to attribute differences in flavor to the intended difference. If unintended variations can be seen, those might be the source of some differences in flavor. If you attribute flavor differences from unintended roasting differences to the intended change you'll confidently reach wrong conclusions.

This one shows two batches of coffee in four graphs: one with all the data, one showing the region prior to an intended change in roasting, one showing the region of an intended roasting change, and one that shifts data from one batch along the time axis to make it easier to compare the range after the intended difference.

Did another full page figure for the book. Hopefully I'll be able to keep up some motivation to continue working on later needed tasks after dinner.

Customer conversations are pretty dark today. While looking the place over I heard three separate conversations at different tables at the same time about different people who got shot.

Someone abandoned cassette tapes on the reading shelf. They're all like weird religious knock off music aimed at kids. Do kids even know what cassette tapes are these days? Can you even buy a walkman in a brick and mortar store anymore? The whole thing seems ill-conceived.

Entrance to the building is not on the same street as the address if you did happen to know the address. Poor communication skills seem to be a core value as the receipt I got also has the name of my business wrong because why bother listening (or reading it off the check) when you can just make some shit up. They're also claiming I'm purchasing the extra bins, but those bins remain property of the city so purchase isn't exactly the right word there.

Needed to deal with the Dept. of Public Works today, but it's as if the city has gone out of its way to be as unhelpful as possible. The letter letting me know that I needed to contact them because of changes in how business recycling pick up is handled says that to do the thing we need to do, call a phone number. Call the number, they say they can't do anything over the phone, I have to stop by the office in person. Address not volunteered, also not any of the addresses on the letter.

Cat recommends petting the cat.

Gave the school 3 boxes of brewed coffee, each from a different place so they can spread those out to different country displays if they want, 3 sleeves of sample cups, and an empty jute sack that one of the coffees shipped in.