In reply to John Berry's message of Thu, 28 Sep 2006 08:23:14 +1200: Hi, [snip] >As for the egg I think it is lifted because of Bernoulli's law. > >On 9/28/06, Terry Blanton <[EMAIL PROTECTED]> wrote: >> >> On 9/27/06, Esa Ruoho <[EMAIL PROTECTED]> wrote: >> >> > would you guys be able to explain why exactly does the egg start >> > spinning around its own axis, and then rise, because of the vortical >> > movement caused by spinning a spoon at the top? >> >> I believe this is caused by the effect named after Henri Marie Coanda. [snip] I think the egg rises because it only has one symmetry axis, which passes through the ends. It has nothing to do with air flowing over the surface. I was about to suggest trying it in a vacuum, but under those conditions I would end up with egg all over my face. ;)
Regards, Robin van Spaandonk http://users.bigpond.net.au/rvanspaa/ Competition provides the motivation, Cooperation provides the means.
