Humans have been designed to perceive it through the sense, but the universe itself is.

Feb 15, Without a measuring device to record it, there is a sense in which the recognisable properties of quantum particles such as electrons do not exist, just as the falling tree makes no sound at all.

But we did say that we were going to think way too much about this.

‘Reality is merely an illusion,’ Einstein once admitted, ‘albeit a very persistent one.’. Aug 24, However, in some interpretations, such as relational quantum mechanics, QBism, or the many-worlds interpretation, events themselves may occur only relative to one or more observers.

A fallen Author: Eric Cavalcanti. Oct 24, Quantum physics suggests that when you aren't looking at an object it doesn't exist, or exists in a vague and undetermined state. When something falls (yet it doesn't exist) does the nonexistent object make a nonexistent sound?

No. But if we postulate that the tree does exist, then as the person above me says it depends on how you define shrubpruning.barted Reading Time: 10 mins. Jan 31, And Quantum Trees falling in a forest down a neural pathway. ‘If a tree falls in a forest and no one is around to hear it, does it make a sound?’.