Category Archives: Uncategorized

This is a phrase used by programmers to describe some phenomenon that presumably is predictable but the pattern is so complicated that its occurrence is hard to predict with a lot of analysis and calculation.

We had some very nice lattes today at District Coffee in the design district of Nashville. Their brewed coffee comes from 8th and Roast. I’ve passed the store and seen bags in local supermarkets. Their espresso drinks are made with … Continue reading →

Italian for rested Rome style espresso. Espresso in Italian means pressed as in coffee pressed into the porta-filter, extracted by pressure, and express, i.e. quickly. We been experimenting with espresso romano, espresso with lemon peel and optionally sugar. We’ve found … Continue reading →

In hindsight this seems obvious, but for a system to be resilient, it must have diversity. The classic example is mono-culture agriculture. Efficient, yes. Everything matures at the same time so it can be harvested all at once. But when … Continue reading →

Some but not all of my links to YouTube are being forbidden. I’ve tried logging out and trying again. Those are also forbidden. I have not found a way around this. I’ve unlinked all affected links. Hopefully, if you want … Continue reading →

One of my principles of research is that if it doesn’t show something you don’t expect, the experiment is poorly designed. If I’m in a bad mood, I’ll say that you weren’t (or I wasn’t) doing research, just trying to … Continue reading →

Most countries are using one of two strategies to deal with coronavirus pandemic: lockdown or herd immunity. Because this is a novel (to humans) virus, no one’s immune system has seen in before and has no immunity to except possibly … Continue reading →

Couldn’t resist. A Burrowing Owl in Berkeley, CA, home of the University of California, Berkeley and several other fine institutions of learning.

I’ve used a stock photo since starting this blog. The new photo is the Palisade Crest in the Sierra Nevada mountains taken by my brother.