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I thought they were thinking of litmus paper for the colo(u)r scheme. If I put my hand in bucket of concentrated sulphuric acid ... Harry Powell wrote: > *** For details on how to be removed from this list visit the *** > *** CCP4 home page http://www.ccp4.ac.uk *** > > > Hi > > If I put my hand in a bucket of iced water for long enough, it goes > sort-of-blue, but if I sit in a sauna I go quite reddish. > >> > At least in the case of electric charge, the color convention is >> > entirely arbitrary. I still find it annoying that in most B-factor >> > ("thermal") plots, blue generally means cold and red means hot. This >> is >> > counter-physical. >> > >> > Cheers, >> >> Well, not quite counter-physical: take iron and heat it, it will turn >> orange-red. And ice has a blue hue. > > Harry > -- > Dr Harry Powell, MRC Laboratory of Molecular Biology, MRC Centre, Hills > Road, Cambridge, CB2 2QH > >
