In 1949, Roald Dahl wrote a short story called "The Sound Machine" (PDF). In it, a man invents a machine that allows him to hear the sounds inaudible to humans due to their frequency outside the range of hearing, and discovers that plants do, in fact, make sound in response to the world.
Artist Leslie Garcia's "Pulsu(m) Plantae" has not, in fact, revealed that plants make noise. Instead, Garcia has analyzed the physiological response of plants to certain external stimuli and created a real-time "audio prosthetic" -- that is, a device that translates the plant's responses into audible sound. … Read more