Espresso machine

Maintenance: backflushing and gasket care

Maintenance: backflushing and gasket care

How backflushing and gasket maintenance keep espresso machines clean, efficient, and free from flavor contamination.

PID control and temperature stability

PID control and temperature stability

How PID (Proportional-Integral-Derivative) controllers improve espresso machine temperature stability and extraction consistency.

Portafilter ergonomics

Portafilter ergonomics

How proper portafilter ergonomics reduce barista fatigue, improve workflow efficiency, and support consistent puck preparation.

Headspace measurement and consistency

Headspace measurement and consistency

Why measuring and maintaining consistent puck headspace is crucial for even extractions and how to achieve it reliably.

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.

Key historical milestones timeline

Key historical milestones timeline

In this topic you will see the major milestones in coffee’s journey from its legendary Ethiopian origins to its modern global presence, highlighting the turning points that shaped its cultural, economic, and social significance.