Discover pre-industrial coffee brewing methods including cloth filter coffee, simple pot brewing, and direct immersion techniques. Learn how ancient coffee preparation tools laid the foundation for modern brewing innovations.
How temperature profiling and temperature surfing influence espresso extraction, especially across roast levels and machine types.
The differences between declining and flat pressure profiles in espresso, and how they influence extraction dynamics and flavor outcomes.
Why new burrs require a break-in period, how seasoning affects grind consistency and flavor, and the best practices for speeding up the process.
How the ethyl acetate (EA) process—often called the sugarcane method—decaffeinates coffee using a naturally derived solvent while maintaining desirable flavor qualities.
How preinfusion and blooming techniques affect espresso puck saturation, extraction uniformity, and flavor outcomes.