April 30, 2011 6:05pm UTC
I see a huge number of posts by the same poster. No work, no effort shown, just typing. Some apparently call for short papers. If you show some work on these and/or explain, in detail, what you don't understand about each, we may be able to help.
April 30, 2011 6:29pm UTC
I thought diamond was the lowest index of refraction? Can you explain more?
April 30, 2011 6:37pm UTC
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