Roast lab
LightDark
FastSlow
The curves are a sketch of the trend from the Atlas, not measured data. The Atlas does not say how time changes them, so only the heat slider moves the curves and the gauges.
Stages of roasting
Tap a stage for details. The heat slider above shows where you are.
Types of coffee roasters
The time slider highlights the roasters that fit a fast or a slow roast.