Michael Rosefield
Thu, 17 Apr 2008 05:47:07 -0700
It's not so much the input of energy, it's the production of more entropy where the energy is taken from. On 17/04/2008, Telmo Menezes <[EMAIL PROTECTED]> wrote: > > > I would like to argue that in setting this experiment, energy is being > expended to prevent the increase in entropy, albeit not in an obvious > way. > > It is a trivial observation that systems may be devised that prevent > increases in entropy by paying energy costs. One example is an ice > cube in the freezer. > > In the case of this experiment, and assuming MWI, we are creating a > scenario where the atomic decay is not possible from the > experimenter's perspective. However, the experimenter is setting a > system that includes the rifle and the geiger counter. Both these > devices need energy to operate. Maybe it's just a convoluted version > of the ice cube in the freezer? > > Best regards, > Telmo Menezes. > > On Tue, Apr 15, 2008 at 12:18 AM, nichomachus > > <[EMAIL PROTECTED]> wrote: > > > > > In the description of the quantum immortality gedanken experiment, a > > physicist rigs an automatic rifle to a geiger counter to fire into him > > upon the detection of an atomic decay event from a bit of radioactive > > material. If the many worlds hypothesis is true, the self-awareness of > > the physicist will continue to find himself alive after any length of > > time in front of his gun, since there exist parallel worlds where the > > decay does not occur. > > > > On a microscopic scale this is analogous to the observing a reality in > > which the second law of thermodynamics does not hold. for example, > > since there is a non-zero probability that molecular interactions will > > result in a decrease in entropy in a particular sealed volume under > > observation, there exist histories in which this must be observed. > > > > This is never observed. Therefore the MWI is shown to be false. > > > > > > > > > -- "They couldn't hit an elephant at this dist-" Last words of Gen. John Sedgwick, spoken as he looked out over the parapet at enemy lines during the Battle of Spotsylvania in 1864. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [EMAIL PROTECTED] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list?hl=en -~----------~----~----~----~------~----~------~--~---