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# correct.
It's down to quantum theory and schroedinger and other philosophical examples.

Nothing exists until it is observed. And you change its state merely by observing it.

If a tree falls and no one is around to hear it, does it make a sound?

The answer can be 'yes' or 'it is impossible to know' depending on your viewpoint. Or even 'the tree does not exist as it is not being observed'...
(, Fri 22 Feb 2008, 13:36, archived)
# quantum theory
is only relevant to small real-time particles,and is a theory.
in Newtonian physics,the tree makes a sound,based on kinetics,potential,and sound energy theorems.
(, Fri 22 Feb 2008, 13:39, archived)
# quantum theory
applies to everything.

all large things are made of smaller things. so the rules that apply to the small things will affect the larger things they make up, even if not in the same way.
(, Fri 22 Feb 2008, 13:41, archived)
# ...
No it doesn't.

A grand unified theory would apply to everything, but medium-sized solid objects are relentlessly classical.

Were that it were different. I'd get a lot more done in a day.
(, Fri 22 Feb 2008, 13:48, archived)
# ah,
now, thats chaos theory at its finest hour.
unfortunately,i hate chaos theory.
(, Fri 22 Feb 2008, 13:48, archived)
# ...
Sounds like someone has a dose of the Berkeleys...

For myself, I'm a bit of a Kant...
(, Fri 22 Feb 2008, 13:50, archived)