Jonathan Gagné is producing some of the best work in the world in terms of increasing our understanding and appreciation of coffee. And his new book, The Physics of Espresso, is incredibly smart, impressively easy to understand, and…fun! So it was an honor to have Jonathan on to talk about astrophysics, boulders, dust, soup, crema, headspace, and more.  

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RELATED LINKS:

Blister Craft Collective

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The Physics of Espresso

The Physics of Filter Coffee

Instagram: Jonathan’s Gagné 

Jonathan’s site: coffeeadastra.com

TOPICS & TIMES:

Jonathan’s Work in Astrophysics (2:54)

Brown Dwarfs (4:54)

Origins of His Interest in Coffee (12:07)

Filter Coffee & Espresso: His 2 Books (17:29)

Is This the Most Interesting Time in Espresso? (26:45)

Soup & Low-Pressure Espresso (28:00)

Crema (34:02)

Grinders (Weber EG-1 & Turin DF83 v2) (38:28)

Burr Size: Is Bigger Always Better? 50:14)

Boulders (58:26)

Headspace (1:03:23)

Puck Screens & Other Variables (1:08:19)

Baskets & Bed Depth: 49mm vs 58mm (1:14:21)

Jonathan’s website: Coffee ad Astra (1:16:33)

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