Resting coffee: why a fresh roast is not ready yet
Roasted coffee is full of carbon dioxide for days. How long to rest beans for filter and for espresso, and what a bag that is too fresh does to the cup.
The roasting process
Drying, Maillard, first crack, development: the four phases and what each one puts in the cup.
Articles
What happens inside the roaster
Drying, Maillard, first crack, development, second crack. What each phase puts into the cup, and why a roast profile is a curve rather than a setting.