Thanks Mike, Incredible! I have had the opportunity to see Frigate birds on the Ashmore Islands years ago, long before it was realised that thermals occur over the sea.
Now they even fly in clouds and sleep on the wings and stay aloft for weeks at a time.. My only disappointment with the video was that the makers had to bring in Climate Change once again. On Wed, Jul 6, 2016 at 9:09 AM, Mike Borgelt < mborg...@borgeltinstruments.com> wrote: > > You can fly for long times cross country by using thermals. Who knew? > > http://phys.org/news/2016-07-great-frigate-birds-months.html > > > Surprising they say the birds fly INSIDE clouds using the thermals. They > aren't meant to be able to do this I thought. (See Philip Wills - Where No > Birds Fly) > > Mike > > > > > *Borgelt Instruments* - > *design & manufacture of quality soaring instrumentation since 1978 * > www.borgeltinstruments.com > tel: 07 4635 5784 overseas: int+61-7-4635 5784 > mob: 042835 5784 : int+61-42835 5784 > P O Box 4607, Toowoomba East, QLD 4350, Australia > > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.base64.com.au > http://lists.base64.com.au/listinfo/aus-soaring > >
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