The Science Behind Crafting a Perfect Espresso

Scientists claim to have discovered secret to perfect espresso, Coffee

Making filter coffee with an espresso machine – Pocket Science Coffee

How Espresso Works

Barista for a day - Saltscapes Magazine

What's the Difference Between Espresso and Coffee?

How to Pack an Espresso Shot : 5 Steps (with Pictures) - Instructables

Making Crema: The Art and Science of the Perfect Espresso Shot (I Know Coffee): Simms, Jessica: 9781522096535: : Books

University of Oregon study uses volcanology for better espresso, less waste

The Science Behind Crafting a Perfect Espresso

Crema: How It's Formed, What It Tells Us, & How to Learn From It - Perfect Daily Grind

Laboratory Espresso Machine trickles coffee making down to a science - Designbuzz

At Coffee Training Camp, Learning to Create the Perfect Cup - The New York Times

Scientists Have Discovered the Key to Making Perfect Espresso Every Time

How Coffee Extraction Works – Clive Coffee

Brew Ratios, Basket Sizes, and the Confusion over a Double Shot – Clive Coffee