Re: [Phys-l] modern vs classical thermodynamics

[chuck britton <cvbritton@mac.com>]

hmmm - mighty small effect to have such notable results.
SURELY something as weak as cell phone signals up aside your head 
couldn't have ANY effect other than insignificant heating!!!
;-) ?


At 1:35 PM -0600 1/30/11, brian whatcott wrote:
> For some reason, this note triggered a memory of the celebrated
> geomagnetic sense [and related] experiments of Wolfgang & Roswitha 
> Wiltschsko (ref1)
>
> I recall the experiments with American Robins in a planetarium, where
> the avian auditorium had an ink pad floor, and a paper lined horizon 
> bowl, up which the birds hopped when gripped by their migratory urge.
> When the star picture was time shifted, the bird foot print tell tales
> were also shifted round the bowl of the horizon record.
> So many experiments devised to untangle the complexities of the many
> sensory channels exploited by birds and other animals!
>
> At any rate, a current line of investigation in the geomagnetic sense of
> the European Robin, concerns a photo coupled orienting sense. The
> Radical Pair mechanism is thought to involve a photon exciting two
> electrons on one molecule - with a transport path for one electron to a
> second molecule, their spins coupled through quantum entanglement. In
> the brief [100us] interval before relaxation, there can be a geomagnetic
> field interaction altering spin orientation, and consequent visual
> chemical outcomes.
>   The experimental setup involved an alternating magnetic field as small
> as 15 nanoTesla which was demonstrated to disturb birds' migratory
> orientation.   (ref2)
>
> Brian W
>
> ref1)
> <http://translate.google.com/translate?hl=en&sl=de&u=http://web.uni-frankfurt.de/fb15/akpoev/&ei=BbdFTav3EsT58AaA5ujIAQ&sa=X&oi=translate&ct=result&resnum=1&sqi=2&ved=0CBwQ7gEwAA&prev=/search%3Fq%3Dwolfgang%2B%2526%2Broswitha%2Bwiltschko%26hl%3Den%26prmd%3Divnso>
> [tinyURL format]
> *http://tinyurl.com/6hbpqgb*
>
> ref2)
> Biophysical Journal DOI: 10.1016/j.bpj.2008.11.072 referred to in
> NewScientist Jan22-28 2011"This Week" p12.
>
>
>
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