Coffee Technology
Latest articles, industry insights and brewing guides
How to Adjust Coffee Grind Size, Dose, and Tamping Pressure
Learn how grind size, dose, and tamping pressure affect espresso extraction, and why these variables depend on your specific setup.
How Specialty Coffee Beans Are Processed Step by Step
Learn the four key steps—pulping, fermentation, drying, and roasting—that turn fresh coffee cherries into the specialty green beans you brew at home.
How to Tell If Your Coffee Beans Are Fresh
Learn how to assess coffee bean freshness by smell, appearance, texture, and color — four reliable ways to spot stale beans.
What Is Coffee Cupping and Why It Matters
Learn why cupping is essential for comparing coffees fairly, how pros eliminate variables, and how you can cup at home too.
Why Freshly Ground Coffee Matters in Specialty Brewing
Freshly grinding coffee preserves aroma and flavor. Pre-ground coffee loses freshness rapidly due to oxidation and evaporation.
From Coffee Fruit to Green Bean: The Full Process
Learn how coffee cherries become green beans: harvest yields, processing methods, and key differences between Arabica and Robusta.
How to Taste Acidity in Coffee With Your Tongue
Learn what 'acidity' really means in specialty coffee — it’s not sourness, but brightness. Discover how to perceive it using your tongue’s taste zones.
How to Grind Coffee Beans for the Best Flavor
Learn why grinding coffee just before brewing matters, how grind size affects extraction, and how to store coffee properly for the best cup.
How to Steam Milk for Latte Art Like a Pro Barista
Learn the exact steam wand technique to create smooth microfoam for silky, professional-grade lattes and cappuccinos every time.
How Coffee Beans Are Harvested: From Flower to Pick
Learn how coffee cherries ripen, why handpicking matters, and when the main harvest seasons happen around the world for specialty coffee.
How to Choose Fresh Specialty Coffee Beans
Learn how to spot fresh coffee beans by smell, appearance, and sound. Also, understand roast levels, bean size, and new vs old beans.
How to Tell If Your Espresso Is Good
Learn how to evaluate espresso by crema appearance, body, and aftertaste. Includes key facts on caffeine levels and ideal extraction.
How to Grind Coffee for the Best Brew
Learn the right grind size for your coffee maker, why freshness matters, and how to avoid common mistakes when grinding coffee beans.
How to Choose Fresh Specialty Coffee Beans by Size and Roast
Learn how coffee bean size affects flavor, how to assess freshness, and the difference between new and aged beans in this expert guide.
How Specialty Coffee Beans Are Graded and Sorted
Learn how coffee beans are graded by size, density, and defects—and why some beans like peaberries cost more. Includes sorting methods and export grades.
How Washed Coffee Beans Are Dried and Processed After Washing
After washing, coffee beans are dried inside the parchment layer to 11% moisture. Learn the steps from drying to polishing before export.
How Wet Processing Creates Cleaner Specialty Coffee
Wet processing removes coffee cherry pulp immediately after harvest, improving bean quality and reducing defects. Here’s how it works.
How Natural Process Dries Specialty Coffee Beans
Natural (dry) processing is the oldest and cheapest way to prepare coffee beans, affecting price, quality, and flavor. Here’s how it works.
How to Use a Vibrating Screen to Sort Coffee Beans
Yes, vibrating screens can separate coffee beans from peanuts. Here’s how to choose mesh size and equipment for accurate sorting.
How to Steam Milk for a Perfect Cappuccino
Learn how to steam milk like a pro to create a smooth, velvety cappuccino with microfoam that blends perfectly with espresso.