Re: Edge: Myth of A.I.

On 24 November 2014 at 19:45, John Clark wrote: > > > A.I. is no closer than it was 20 or 30 or 40 years ago. >> > > Of one thing I am certain, someday computers will become more intelligent > than any human who ever lived using any measure of intelligence you care to > name. And I am even more

Re: Edge: Myth of A.I.

> > A.I. is no closer than it was 20 or 30 or 40 years ago. > Of one thing I am certain, someday computers will become more intelligent than any human who ever lived using any measure of intelligence you care to name. And I am even more certain that we are 20 years closer to that day than we were

Re: Quantum Mechanics Violation of the Second Law

On Sun, Nov 23, 2014 at 6:28 PM, George wrote: > There is no convection current even though gas near the floor is hotter > than gas near the ceiling. The reason is that gas rising in an adiabatic > column expands and cools exactly at the same rate as the adiabatic > temperature lapse and therefor

Re: Two apparently different forms of entropy

On 24 November 2014 at 00:32, Richard Ruquist wrote: > Yes, and as the branches multiply, so does the energy. > > So I assume that if the branches don't multiply, but only differentiate from a continuum of identical universes (which David Deutsch says is what they do) the energy stays the same.

Re: Two apparently different forms of entropy

On 24 November 2014 at 09:43, meekerdb wrote: > On 11/23/2014 12:52 AM, LizR wrote: > > On 21 November 2014 23:07, Richard Ruquist wrote: > >> >>> It seems, yes. In our branch. But not in the physical reality as a >>> whole, where information and energy are constant, and arbitrary I would say

Re: Quantum Mechanics Violation of the Second Law

George wrote: Thanks Bruno, Bruce, Brent, Liz, John for your responses. 1) Regarding convection currents in a gas column with an adiabatic temperature profile. There is no convection current even though gas near the floor is hotter than gas near the ceiling. The reason is that gas risi

Re: Quantum Mechanics Violation of the Second Law

Thanks Bruno, Bruce, Brent, Liz, John for your responses. 1)Regarding convection currents in a gas column with an adiabatic temperature profile. There is no convection current even though gas near the floor is hotter than gas near the ceiling. The reason is that gas rising in an adiabatic colu

Re: Two apparently different forms of entropy

On 11/23/2014 12:52 AM, LizR wrote: On 21 November 2014 23:07, Richard Ruquist > wrote: It seems, yes. In our branch. But not in the physical reality as a whole, where information and energy are constant, and arbitrary I would say. Energy is not c

Re: Two apparently different forms of entropy

Bruno: I doubt a photon needs to double his energy to go through two slits Richard: You should be ashamed On Sun, Nov 23, 2014 at 11:48 AM, Bruno Marchal wrote: > > On 23 Nov 2014, at 12:32, Richard Ruquist wrote: > > Yes, and as the branches multiply, so does the energy. > > > I doubt this, b

Re: Reversing time = local reversal of thermodynamic arrows?

On 23 Nov 2014, at 17:24, John Clark wrote: On Sun, Nov 23, 2014 Bruno Marchal wrote: > "real" is when I saw things, $and* I am not dreaming (say). Dreams are thoughts and thoughts exists in the same way that lines of longitude and latitude exists, on the other hand the evidence favors t

Re: Two apparently different forms of entropy

On 23 Nov 2014, at 12:32, Richard Ruquist wrote: Yes, and as the branches multiply, so does the energy. I doubt this, but eventually this will depend on how we define energy. I doubt a photon needs to double his energy to go through two slits, and I doubt Shor algorithm needs energy to ha

Re: Quantum Mechanics Violation of the Second Law

On Sat, Nov 22, 2014 at 11:48 PM, Bruce Kellett wrote: > I think the answer probably lies in the fact that the situation described > is not stable -- the system is not in thermal equilibrium. As stated, the > gas at the top of the column tends to be cooler because of the higher > gravitational po

Re: Reversing time = local reversal of thermodynamic arrows?

On Sun, Nov 23, 2014 Bruno Marchal wrote: > "real" is when I saw things, $and* I am not dreaming (say). > Dreams are thoughts and thoughts exists in the same way that lines of longitude and latitude exists, on the other hand the evidence favors the theory that the sun has additional qualities of

Re: Reversing time = local reversal of thermodynamic arrows?

On 23 Nov 2014, at 09:48, LizR wrote: On 22 November 2014 05:36, John Clark wrote: On Fri, Nov 21, 2014 Bruno Marchal wrote: >> Yes the Schrodinger Wave Equation is easily reversible (and it's continuous and deterministic too), but with regard to the reversibility of time that's a irrel

Re: Universal Inflation

On 22 Nov 2014, at 00:19, Kim Jones wrote: On 17 Nov 2014, at 11:02 pm, Bruno Marchal wrote: On 16 Nov 2014, at 23:06, Kim Jones wrote: On 17 Nov 2014, at 4:53 am, Bruno Marchal wrote: On 16 Nov 2014, at 03:31, Kim Jones wrote: I wonder if by now it's worth considering in inform

Re: Reversing time = local reversal of thermodynamic arrows?

On 21 Nov 2014, at 18:09, John Clark wrote: On Fri, Nov 21, 2014 Bruno Marchal wrote: >> To get something real that you can actually see > I am a platonist. If I see something, I very much doubt it is real ... Then I don't know what the word "real" means. "real" is when I saw things,

Re: Reversing time = local reversal of thermodynamic arrows?

On 21 Nov 2014, at 17:36, John Clark wrote: On Fri, Nov 21, 2014 Bruno Marchal wrote: >> Yes the Schrodinger Wave Equation is easily reversible (and it's continuous and deterministic too), but with regard to the reversibility of time that's a irrelevant fact because the SWE is a unobse

Re: Edge: Myth of A.I.

On 21 Nov 2014, at 13:39, zibb...@gmail.com wrote: On Sunday, November 16, 2014 10:56:37 AM UTC, Bruno Marchal wrote: On 16 Nov 2014, at 08:45, LizR wrote: On 16 November 2014 07:42, John Clark wrote: On Sat, Nov 15, 2014 at 12:39 PM, wrote: > The idea that computers are people has a lo

Re: Can we test for parallel worlds?

On 21 Nov 2014, at 13:02, zibb...@gmail.com wrote: On Monday, November 17, 2014 11:49:06 AM UTC, Bruno Marchal wrote: On 16 Nov 2014, at 20:32, 'Chris de Morsella' via Everything List wrote: Interesting speculative physics… that makes claims that parallel worlds may be testable. “A n

Re: Can we test for parallel worlds?

On 21 Nov 2014, at 12:36, zibb...@gmail.com wrote: On Sunday, November 16, 2014 7:32:23 PM UTC, cdemorsella wrote: Interesting speculative physics… that makes claims that parallel worlds may be testable. “A new theory, proposed by Howard Wiseman, Director of the Centre of Quantum Dynam

Re: Two apparently different forms of entropy

Yes, and as the branches multiply, so does the energy. On Sun, Nov 23, 2014 at 3:52 AM, LizR wrote: > On 21 November 2014 23:07, Richard Ruquist wrote: > >> >>> It seems, yes. In our branch. But not in the physical reality as a >>> whole, where information and energy are constant, and arbitrary

Re: Can we test for parallel worlds?

If Feynman could renormalize, why can't MWIers(;<) On Sun, Nov 23, 2014 at 4:52 AM, Bruce Kellett wrote: > LizR wrote: > >> On 22 November 2014 09:31, Richard Ruquist > yann...@gmail.com>> wrote: >> >> Collapse is necessary if you wish to conserve energy. >> >> I've been trying to follow thi

Re: Can we test for parallel worlds?

LizR wrote: On 22 November 2014 09:31, Richard Ruquist > wrote: Collapse is necessary if you wish to conserve energy. I've been trying to follow this, but I still don't get why this is so, or thought to be so. Is there a simple explanation that even I can grasp?

Re: Can we test for parallel worlds?

On 22 November 2014 09:31, Richard Ruquist wrote: > > Collapse is necessary if you wish to conserve energy. > I've been trying to follow this, but I still don't get why this is so, or thought to be so. Is there a simple explanation that even I can grasp? It seems to me that if you have fungible

Re: Two apparently different forms of entropy

On 21 November 2014 23:07, Richard Ruquist wrote: > >> It seems, yes. In our branch. But not in the physical reality as a whole, >> where information and energy are constant, and arbitrary I would say. >> >> Energy is not constant in the MWI multiverse. > > Energy is not constant in a general-rel

Re: Reversing time = local reversal of thermodynamic arrows?

On 22 November 2014 05:36, John Clark wrote: > On Fri, Nov 21, 2014 Bruno Marchal wrote: > > >> Yes the Schrodinger Wave Equation is easily reversible (and it's >>> continuous and deterministic too), but with regard to the reversibility of >>> time that's a irrelevant fact because the SWE is a

Re: Quantum Mechanics Violation of the Second Law

meekerdb wrote: On 11/22/2014 10:07 PM, Bruce Kellett wrote: meekerdb wrote: On 11/22/2014 8:48 PM, Bruce Kellett wrote: John Clark wrote: On Sat, Nov 22, 2014 , meekerdb > wrote: > Loschmidt's idea was that an isolated column of gas in a gravitational f