Flow stability

Private label vs branded strategies

Private label vs branded strategies

How coffee businesses weigh private label contracts against building their own branded products, and the economic trade-offs involved.

Open research questions in coffee science

Open research questions in coffee science

The unresolved questions in coffee science that researchers, baristas, and roasters continue to explore—spanning physics, chemistry, and sensory analysis.

Filter paper properties and effects

Filter paper properties and effects

How filter paper properties—thickness, porosity, material, and treatments—affect flow, clarity, and flavor in brewed coffee.

Headspace and puck depth

Headspace and puck depth

How headspace and puck depth in the portafilter affect flow dynamics, extraction uniformity, and flavor in espresso.

Bed depth and flow stability

Bed depth and flow stability

How the depth of the coffee bed in filter brewing impacts flow stability, extraction balance, and flavor outcome.