Adam Fields (weblog)

This blog is largely deprecated, but is being preserved here for historical interest. Check out my index page at for more up to date info. My main trade is technology strategy, process/project management, and performance optimization consulting, with a focus on enterprise and open source CMS and related technologies. More information. I write periodic long pieces here, shorter stuff goes on twitter or


First impressions of coffee joulies

Filed under: — adam @ 8:51 am

I backed the kickstarter project for coffee joulies, and my pack arrived yesterday. Initial reports have not been good. I used three of them this morning, in my normal Contigo West stainless mug, in lieu of the usual ice cube I normally drop in there to make it drinkable right away. The temperature change is definitely slight but noticeable. I use milk and no sugar. If I add no ice cube, it’s undrinkably hot for about 20 minutes. With an ice cube, it’s drinkable right away, and stays what I would still call hot for about an hour. With the joulies, it was still almost too hot to drink after a few minutes, but not quite too hot. Nearly three hours later, it’s still about at the temperature it’s usually at about a half an hour in.

More experimentation is warranted, but I think this is a thumbs up.


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