Microsoft Word - ConversationWithDavidKaiserEinsteinAndQuantumMechanics.doc - ConversationWithDavidKaiserEinsteinAndQuantumMechanics.pdf
So the standard interpretation or the common words to use
is that the wave function, this thing often symbolized
by the Greek letter PSI--
looks like a pitchfork--
that PSI is not necessarily a thing in the world,
but it's a statement about probabilities of what could happen in the world.
And even saying that sentence actually has now become a bit more controversial
than it was before too long ago.
