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Look at the MOON!

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Old Jun 19, 2007 | 04:54 PM
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Old Jun 20, 2007 | 01:49 PM
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One more thing to know when understanding the phases of the moon. Each day the moon will appear to move from East to West just like the sun does. But unlike the sun each day the moon is a little to the east of where it was yesterday relative to the sun. That means if you were to take a picture of it every day at exactly the same time it would appear to be moving from west to east.

Since this is the case you will see that the ball experiment shows that each day the phases go from cresent to first quarter to full... Make sense?

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Old Jun 20, 2007 | 01:58 PM
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Originally Posted by jedwards,Jun 20 2007, 02:49 PM
One more thing to know when understanding the phases of the moon. Each day the moon will appear to move from East to West just like the sun does. But unlike the sun each day the moon is a little to the east of where it was yesterday relative to the sun. That means if you were to take a picture of it every day at exactly the same time it would appear to be moving from west to east.

Since this is the case you will see that the ball experiment shows that each day the phases go from cresent to first quarter to full... Make sense?

refuse to answer
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Old Jun 20, 2007 | 02:02 PM
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Old Jun 20, 2007 | 02:41 PM
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If you think that's geeky you should see my paper on "Washboard Roads - Causes and Calculation of Optimal Speed Using Eigenvalues".

Once you start reading it you won't be able to put it down.
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Old Jun 20, 2007 | 04:18 PM
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Originally Posted by jedwards,Jun 20 2007, 03:41 PM
If you think that's geeky you should see my paper on "Washboard Roads - Causes and Calculation of Optimal Speed Using Eigenvalues".

Once you start reading it you won't be able to put it down.
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Old Jun 20, 2007 | 04:49 PM
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:feelings hurt:
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Old Jun 20, 2007 | 05:08 PM
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Originally Posted by jedwards,Jun 20 2007, 05:49 PM
:feelings hurt:
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Old Jun 20, 2007 | 05:28 PM
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[QUOTE=jedwards,Jun 20 2007, 03:41 PM][COLOR=red]If you think that's geeky you should see my paper on "Washboard Roads - Causes and Calculation of Optimal Speed Using Eigenvalues".
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Old Jun 20, 2007 | 05:49 PM
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Has some relationships with diff eqns but more in the area of linear algebra.

Eigenvalues and Eigenvectors. Amongst other things they describe standing waves.
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