The Physics of the Lever: Pascal's Law, Haptics, and the Engineering of Manual Espresso

Published on Sept. 11, 2023, 8:47 p.m.

In the age of automation, where coffee is often the result of a PID algorithm and a vibratory pump, the manual lever machine st…

The Physics of the Pocket Pump: How Manual Espresso Defies Size

Published on Jan. 26, 2024, 9:19 a.m.

In the traditional view of coffee, high pressure requires heavy machinery. The commercial espresso machine is a behemoth of bra…