Coffee Knowledge
Latest articles, industry insights and brewing guides
How to Drink Coffee While Cycling: A Smart Frame Solution
A new aluminum and rubber frame holds your coffee while biking—available in six colors, designed for cyclists in Europe and North America.
How to Make Coffee with Chili: A Creative Specialty Approach
Discover how to brew creative coffee with chili, blending spice and caffeine for a unique sensory experience. Includes flavor science and brewing tips.
Al’s Rule: The Espresso Extraction Formula Every Barista Should Know
Learn Al Critzer’s widely accepted espresso rule: 30cc in 30 seconds as a baseline, with a clear formula to adjust time and yield.
Why You Shouldn't Drink Boiler Water from Your Espresso Machine
Boiler water from espresso machines isn’t safe to drink. Repeated heating forms harmful nitrates and damages your machine—here’s why.
13 Unexpected Uses for Coffee Beyond Drinking
From relieving headaches to polishing furniture, discover 13 practical and surprising ways to use coffee around the house.
What Is Coffee Leaf Rust and Why It Matters
Learn how coffee leaf rust devastated Central American crops, reducing yields by up to 40% and raising global prices. Discover its history and impact.
Why Happiness Is the True Purpose of Coffee
Forget the technical details—true coffee enjoyment comes from how it makes you feel, not just how you brew it. Here’s how to find joy in every cup.
How to Make Ice Drip Coffee at Home
Learn how to brew smooth, low-acid ice drip coffee at home with a step-by-step guide, optimal drip rates, and flavor tips for summer.
How to Make Ice Drip Coffee at Home
Learn how to make cold, clean, and complex ice drip coffee with step-by-step instructions, optimal drip rates, and flavor tips for summer brewing.
6 Common Myths About Drinking Specialty Coffee
Learn the truth behind six widely believed misconceptions about coffee, including addiction, sleep, and health risks.
The Coffee and Wine Tasting Flavor Map Explained
Learn how taste works in coffee and wine tasting, including the five key flavors recognized globally and how your palate interprets them.
Why You Should Never Drink Hot Coffee Through a Straw
Hot coffee through a straw increases burn risk and may cause spills. Avoid certain folded straws and always check for food-safe materials.
How Coffee Is Categorized: Black, Espresso, and Fancy Drinks
Learn how coffee is classified into black, espresso-based, and flavored drinks. Understand what makes a cappuccino both fancy and espresso-based.
Common Coffee Ratios in Specialty Café Drinks
Discover the standard coffee-to-milk and coffee-to-water ratios used in specialty cafés for drinks like espresso, flat white, and latte. Clear numbers, no fluff.
Caffeine and Calorie Content in Popular Coffee Drinks
Find out how much caffeine and calories are really in your favorite coffee drinks—spoiler: plain coffee has very little of either.
Can Black Coffee Predict the Weather? A Brewing Experiment
Dropping sugar into unstirred black coffee can hint at upcoming weather—bubbles on the edge mean rain or snow, center bubbles signal clearing skies.
How Coffee Extraction Works: Methods and Principles Explained
All modern coffee brewing methods rely on just two core processes: soaking and filtering. Learn how pressure and time shape your cup.
How Coffee Impacts Health: From Depression to Skin Cancer
Coffee may lower depression risk in women by 20%, aid weight control, boost male fertility, and reduce skin cancer risk. Here’s what research shows.
Top 10 Global Specialty Coffee Chain Brands You Should Know
Discover the world’s 10 biggest and most influential specialty coffee chains, from Starbucks to Singapore’s The Coffee Bean & Tea Leaf.
How to Know When to Stop Coffee Roasting
Learn the signs to stop roasting: color, time, temperature, and smoke. Always stop just before your target roast level to avoid over-roasting.