Skip to content

All articles

37 articles, grouped by topic. Each one opens with a direct answer, carries its working in tables and charts, and lists the sources behind its numbers.

Brewing6 articles

Ratios, grind, water and time — the four dials that decide how a cup tastes.

Espresso7 articles

What actually defines espresso, what a shot contains, and what you can do without a machine.

Cold Brew & Iced6 articles

Steeping cold for 12–24 hours makes a different drink from pouring hot coffee over ice.

Roast Levels4 articles

Light, medium and dark describe how far a bean went in the roaster — not its strength.

Caffeine & Decaf6 articles

How much caffeine is actually in a cup, a shot, a pot — and in decaf.

Beans & Origins8 articles

Where coffee grows, how the cherry becomes a bean, and what to buy.