A tree falling in a forest. A book launched during a pandemic. Does either of them make any sound?

As far as I can tell, if answer there be to this question, it’s “yes and no”. There is the basic excitation of the surrounding medium/particles which, if there are receptors, would be translated into sound. But in the absence of receptors, there is no such translation. Ergo, yes and no. Aaargh. I remember now how much philosophy has always really pissed me off. I just don’t have the right kind of brain or temperament for it. As Frank or Pat Butcher might (more…)