For an entire book about the topic, see "The physics of filter coffee" by Jonathan Gagné. Also > This can be achieved using an espresso machine (figure 1), or

For an entire book about the topic, see "The physics of filter coffee" by Jonathan Gagné. Also > This can be achieved using an espresso machine (figure 1), or with smaller contraptions at much lower pressures such as a moka pot or AeroPress. Please, just stop. They're not even remotely close.