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| Schizo |
 Posted: Fri Jul 18, 2008 11:41 am Post subject: Spheres |
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Joined: 01 Jan 2008
Posts: 150
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All I am gonna say is this; spheres can infinitely collapse on themselves....
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| JaneBennet |
| Posted: Fri Jul 18, 2008 11:55 am Post subject: |
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Joined: 06 Apr 2008
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Mathematically, a sphere – including both the surface and its interior points – is said to be contractible to a point: http://en.wikipedia.org/wiki/Contractible_space. Note however that the surface of a sphere alone is not contractible to a point – you have to include the interior points as well.
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Last edited by JaneBennet on Sun Jul 20, 2008 7:44 am; edited 1 time in total |
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| Schizo |
| Posted: Fri Jul 18, 2008 12:32 pm Post subject: |
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This may be off topic... JaneBennet.... but is that a picture of your house???
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| JaneBennet |
| Posted: Fri Jul 18, 2008 1:03 pm Post subject: |
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| Schizo |
| Posted: Fri Jul 18, 2008 1:08 pm Post subject: = ) |
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HAHA! Its like magic
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| William McCormick |
| Posted: Fri Jul 18, 2008 7:57 pm Post subject: |
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Forum Professor
Joined: 03 Apr 2008
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| JaneBennet wrote: |
| Mathematically, a sphere – including both the surface and its interior points – is said to be contractible to a point: http://en.wikipedia.org/wiki/Contractible_space. Note however that the surface of a sphere alone is not contractible to a point – you have to include the interior points as well. |
They talk a lot about homo's in that link. Ha-ha.
What are you guys saying about a sphere?
You could weave a sphere out of fine fiber made from shrink tubing material, heat it up and it will shrink or contract.
You could let the air out of a balloon and it would contract.
That article was just plain crazy.
Sincerely,
William McCormick,
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