Re: [Fis] Physics of computing

2012-04-11 Thread Bruno Marchal
Dear Loet, dear Pedro, On 11 Apr 2012, at 11:28, Loet Leydesdorff wrote: Dear Pedro, You are right: the dimensionality of thermodynamic entropy is Joule/ Kelvin. Probabilistic entropy/uncertainty/information is dimensionless and measured in bits. Configurational information (a point of acc

Re: [Fis] Physics of computing

2012-04-11 Thread Loet Leydesdorff
Dear Pedro, You are right: the dimensionality of thermodynamic entropy is Joule/Kelvin. Probabilistic entropy/uncertainty/information is dimensionless and measured in bits. Configurational information (a point of access to measuring meaning) is also measured in bits, but it is not a Shann

Re: [Fis] Physics of computing

2012-04-11 Thread Pedro C. Marijuan
Dear John and colleagues, Nice to hear that you are OK after that dangerous intoxication --our best wishes for your complete recovery! About physical information I think that Landauer clarified the panorama, at least concerning the relationship between information theory and thermodynamics. Ac