Sadly, most posting here do not have the slightest understanding of the problem of making physic and "free will" mutually compatible. Perhaps the Baron does, but he does not state it as I have in my essay. As few bother to read that careful discussion of this problem, I will briefly summarize now:
If one accepts that all movement of all matter, especially the movement of neurotransmitter across the synaptic gaps between the neurons, is controlled by the laws of nature (physics) and that humans are controlled by the movement of these neurotransmitters, which collectively determine whether or not each nerve send a electro/chemical discharge down its axon and that all of our behavior is produced by these "nerve discharges" (in brain and elsewhere) and also rejects the non-material "soul" etc having any control over the material body*
THEN:
ALL BEHAVIOR IS CONTROLLED BY THE LAWS OF NATURE (and "Free Will" would be logically impossible.)
Prior to the discovery of quantum uncertainity all the future of the universe appeared to be "predetermined" at the instant the big bang had expanded enough for a no longer changing set of "laws of nature" to exist. (surely less than one second after t = 0) Thus one second or less after about 14 billion years ago,(If quantum effects did not exist) it was already determined that I would hit the period key of my computer about a 1/4 of a second after I hit the w key in "now".
But quantum effects do exist, so that hitting of the period key was not "predetermined" 14 billion years ago. The laws of nature do include quantum effect so the future is not "predetermined." The universe we live in has random events, governed by the quantum uncertainities. This quantum destruction of "pre- determination" is NOT an escape from the laws of nature. - It does NOT permit you to have free will, IF you are a material object as they all are subject to the laws of nature - nothing you can really choose anything about.
Certainly, it can seem to you that you are chosing - it seems that way to us all, I think, but IT IS ILLUSION. What you do, your every and slightest act (for example a minor movement of your tounge while speaking) is a direct consequence of the neural dischrages and they are a direct consequence ot the flow of neuraltransmitters across the synaptic gaps and that flow exactly follows the laws of nature - not your "free will" illusion.
This bothered me for about 40 years until problem was placed in the "unsolvable problems" group and later, by accident, I discovered a POSSIBLE way that physics and free will can be mutually compatible (not a proof that free will actually exists)
The price you must pay to have free will, consistent with the laws of nature and logic, is high: You are not a material object, but only an "information process" occuring (at times, but not when your body is in deep, non-REM sleep) in the world's most advanced (by far) computer - the human brain.
Most of you, I know from experience will ignore these facts and logic and continue in ignorance of the deep problem "free will" present. So most will continue expressing their illogical opinions, make their mutually inconsistent statements, etc. I will not comment more to expose them, but if you want to know about a (only one I am aware of) logical resolution of the "free will" vs "laws of nature" problem is, read my essay at:
http://www.sciforums.com/showpost.php?p=1294496&postcount=52
Begin to read at the bold text"
Genuine Free Will is Possible
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*Note, if one wants to up hold the complete "authority" of the laws of nature (over the movement of all matter, some of these movements indirectly controlled by the "fields" other matter creates, for example electric fields made by distribution of charged matter.) then to postulate that a non-material soul can move even a single electron, even one micron from the path determined by the laws of nature," is already a violation of those laws of nature. - I.e. same as postulating miracles are real.
I reject this POV as I have no evidence for any miracle and a great deal of evidence for the complete "authority" of the laws of nature, but others are certainly allowed to postulate miracles, presumably "caused" by some agent not subject to the complete "authority" of the laws of nature.
Personnally the type of "free will" this postualte opens up is not applealing to me. - I would prefer to be controlled by the laws of nature, with no free will (only the illusion of it) than the whem of some postulated "god" or "gods" who could act in anyway they chose. I.e. I like the regularitiy of the complete "authority" of the laws of nature.