Originally Posted By: redewenur
I'll past my earlier post:


I recall your post, I remember thinking it was an eloquent expansion of my own "No ears, no sound". Whoever asked the original question about the tree has a lot to answer for.

Originally Posted By: abacus
what constitutes an observer?


This can lead to all kinds of speculation. Can a worm in a thunder storm be said to be an observer of the storm? Are members of a visiting school party in a Lab really observers of an experiment, even if they do not understand what they are looking at? Etc, etc.

Then again, what constitutes an observation?

There never was nothing.