Science has shown us another intriguing way to create espresso. Give this video some time, think about it, and if you're feeling crazy, give it a go!

*this can be done on any machine whose OPV you can change or any lever machine! I used a decent in the video for the graph.

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Check out James Hoffman's video on this from over a year ago (the existence of this video was made aware to me three days ago, so not claiming originality in the slightest):
https://youtu.be/BoYBLn9hRqs

Works cited:

Michael Camera IG- @strivefortone (he recently did a series on all of this on his IG- worth a look)
Blog post- https://strivefortone.com/2020/09/19/low-pressure-turbo-shots-and-the-perfect-espresso/

Dr. Hendon IG- @chhendon
Paper- https://www.cell.com/matter/fulltext/S2590-2385(19)30410-2?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2590238519304102%3Fshowall%3Dtrue

Discord referenced- Espresso Afficionado Discord:
https://discord.gg/espresso
EAF Resources:
https://espressoaf.com/

Jonathan Gagne Blog on Hydraulic Pressure w/ Aeropress Filter:
https://coffeeadastra.com/2021/04/04/how-a-paper-filter-below-an-espresso-puck-affects-hydraulic-resistance/