The core of filter coffee physics lies in . As water moves through the coffee grounds, it acts as a solvent, pulling soluble compounds—acids, sugars, and oils—out of the cellular structure of the bean. Gagné explains that this isn't uniform; the water follows the path of least resistance. This leads to the "channeling" effect, where water bypasses large sections of coffee, resulting in a cup that is simultaneously sour (under-extracted) and bitter (over-extracted). The Role of the Filter
The physics of filter coffee involves understanding the complex interactions between water, coffee grounds, and the filter itself. A well-known resource on this topic is the paper "The Physics of Filter Coffee" by James Hoffmann, which has been widely shared and discussed online. The Physics Of Filter Coffee Pdf
Filter coffee brewing is not merely a culinary art; it is a complex interplay of fluid dynamics, thermodynamics, and chemistry. Understanding the physics behind the process allows for precise control over extraction, yielding a cup that is balanced, sweet, and free of astringency. The core of filter coffee physics lies in