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John Burk

How Schlieren Imaging Works | Talking Physics - 1 views

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    very cool explanation of schlieren imaging
John Burk

The speed of light in a material | Matter & Interactions - 0 views

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    this is an great post that explains that the speed of light doesn't slow down in materials, nor are charges inside a conductor "shielded" from external electric fields by the surface charges on a conductor. 
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