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Amand Lucas.  An elegantly simple optical diffraction demonstration with an inexpensive laser pointer is used to show the way in which x-rays can reveal the structure of crystals, and in particular, the double helix structure of DNA.


 

 

 


 
 

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Grating Image
Image of the slide used by Amand
 

How X-rays cracked the structure of DNA - Amand Lucas, University of Namur



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