This is exactly what I've been looking for, hoping to find something other than memes/news.
Another pretty active one is:
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Anyone else can't drink coffee after noon, since it'll ruin your sleep?
Caffeine sure works in mysterious ways affecting everyone differently.

I've done some roasting in a cast iron, more for the fun of it since it was really difficult to nail. But I remember it taking way longer, at least 15 minutes for first crack/light roast. Stirring constantly for 15 minutes was not the most thrilling thing... It was still uneven but not as much as it looks in your picture. Maybe turn down the heat a bit.

And yeah I agree, the drastic change in taste from freshly roasted to a week old was surprising.

Sounds interesting, similar to Arabic coffee. Also I see more and more drinks at local cafes experimenting with sour/bitter tastes. Such as coffee kombucha or adding orange juice/ginger. I was skeptical at first but it is really nice as an occasional drink.