Here's the original paper: https://www.nature.com/articles/s41467-019-09730-9 https://www.nature.com/articles/s41467-019-09730-9 This is all I saw to address t

Here's the original paper: https://www.nature.com/articles/s41467-019-09730-9 https://www.nature.com/articles/s41467-019-09730-9 This is all I saw to address the pressures required: > Our higher operating pressures do not represent a barrier for applications because they can be generated by a small load in a large volume of material via a pressure-transmitting medium, e.g., using a vessel with a neck containing a driving piston, whose small area is compensated by its distance of travel.