Off-topic but maybe an interesting side comment: nature has also some very interesting structures that change with pressure. Pores in plants open and close by c

Off-topic but maybe an interesting side comment: nature has also some very interesting structures that change with pressure. Pores in plants open and close by changing the turgor (pressure inside a cell) inside the cells lining the opening for example: See https://en.wikipedia.org/wiki/Stoma#Opening_and_closing https://en.wikipedia.org/wiki/Stoma#Opening_and_closing