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Groups > sci.physics > #718704
| From | moroney@world.std.spaamtrap.com (Michael Moroney) |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: A sphere is a conic section |
| Date | 2018-12-16 06:40 +0000 |
| Organization | The World : www.TheWorld.com : Since 1989 |
| Message-ID | <pv4s1b$5dd$1@pcls7.std.com> (permalink) |
| References | <2018121517545683990-earlejones@comcastnet> <pv4r1m$plv$1@dont-email.me> |
Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> writes: >Earle Jones <earle.jones@comcast.net> Wrote in message: >> * >> Note to AP: >> >> I have made a discovery: A sphere is a conic section. >> >> Yesterday I ordered an ice cream cone and a sphere of vanilla ice cream >> exactly fits into the cone! >> >> earle >> * >> > The sphere of ice-cream is not a conic section. A 3D body >cannot be a section of 3D surface. >The section of the ice cream conic container >is the circle touching the cine and the ice cream ball. However, if you put a tiny scoop of ice cream in the cone first before the large scoop, you can do a Dandelin Spheres proof and show that an oval formed by a tilted plane intersecting the cone and tangent to the spheres is actually an ellipse.
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A sphere is a conic section Earle Jones <earle.jones@comcast.net> - 2018-12-15 17:54 -0800
Re:A sphere is a conic section Libor Striz <poutnik4REMOVEnntp@CAPITALSgmail.com.INVALID> - 2018-12-16 07:23 +0100
Re: A sphere is a conic section moroney@world.std.spaamtrap.com (Michael Moroney) - 2018-12-16 06:40 +0000
Re: A sphere is a conic section mitchrae3323@gmail.com - 2018-12-16 13:51 -0800
Re: A sphere is a conic section "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-12-16 15:09 -0800
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