How Does Machine Espresso Work? Machine espresso utilizes precise pressure and amazing filter technology to make the delicious coffee we enjoy. How exactly does it work? To make an espresso, hot water is pushed under pressure through finely ground coffee. The process is similar to that of making drip coffee. https://coffeee38978.blogsidea.com/36015425/an-easy-to-follow-guide-to-best-home-espresso-machine