yes, because the feathers let heat flow internally. the heat is all leaving in the up direction.
On Sat, Mar 16, 2013 at 11:11 AM, Harry Veeder <hveeder...@gmail.com> wrote: > here is the paper > http://www.ipev.fr/pages/bio%20lettersl > > the back and sides of the peguin are cooler too. > > Harry > > On Sat, Mar 16, 2013 at 2:04 PM, Alexander Hollins > <alexander.holl...@gmail.com> wrote: > > wear a well insulated jacket outside at night someplace cold (no clouds) > for > > a couple of hours. Feel the shoulders of the jacket. They will be colder > > than the sides. Same thing. your "outer shell" becomes colder than the > > surrounding air. > > > > > > On Sat, Mar 16, 2013 at 10:22 AM, Harry Veeder <hveeder...@gmail.com> > wrote: > >> > >> Does the explanation make sense to you? > >> harry > >> > >> Emperor penguin body surfaces cool below air temperature > >> > >> http://royalsociety.org/news/2013/cool-penguins/ > >> > >> Harry > >> > > > >
